Update copyright dates with scripts/update-copyrights

I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines

18 files changed, 18 insertions, 18 deletions

diff --git a/htl/tests/test-1.c b/htl/tests/test-1.c
index ec08df1..9031759 100644
--- a/htl/tests/test-1.c
+++ b/htl/tests/test-1.c
@@ -1,5 +1,5 @@
 /* Test mutexes.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-10.c b/htl/tests/test-10.c
index ee4e9fe..b6c9c47 100644
--- a/htl/tests/test-10.c
+++ b/htl/tests/test-10.c
@@ -1,5 +1,5 @@
 /* Test error checking mutexes.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-11.c b/htl/tests/test-11.c
index 441e0ef..add39ea 100644
--- a/htl/tests/test-11.c
+++ b/htl/tests/test-11.c
@@ -1,5 +1,5 @@
 /* Test rwlocks.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-12.c b/htl/tests/test-12.c
index 25bdd3f..190100c 100644
--- a/htl/tests/test-12.c
+++ b/htl/tests/test-12.c
@@ -1,5 +1,5 @@
 /* Test concurrency level.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-13.c b/htl/tests/test-13.c
index 8b8f399..28770e4 100644
--- a/htl/tests/test-13.c
+++ b/htl/tests/test-13.c
@@ -1,5 +1,5 @@
 /* Test condition attributes and pthread_cond_timedwait.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-14.c b/htl/tests/test-14.c
index b29cd52..9e133c4 100644
--- a/htl/tests/test-14.c
+++ b/htl/tests/test-14.c
@@ -1,5 +1,5 @@
 /* Test pthread_mutex_timedlock.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-15.c b/htl/tests/test-15.c
index 7e50872..79aab2d 100644
--- a/htl/tests/test-15.c
+++ b/htl/tests/test-15.c
@@ -1,5 +1,5 @@
 /* Test pthread_rwlock_timedrdlock and pthread_rwlock_timedwrlock.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-16.c b/htl/tests/test-16.c
index 17f28ce..86eb5c6 100644
--- a/htl/tests/test-16.c
+++ b/htl/tests/test-16.c
@@ -1,5 +1,5 @@
 /* Test pthread_kill.c.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-17.c b/htl/tests/test-17.c
index 52fe292..1629b10 100644
--- a/htl/tests/test-17.c
+++ b/htl/tests/test-17.c
@@ -1,6 +1,6 @@
 /* Test that the key reuse inside libpthread does not cause thread
    specific values to persist.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-2.c b/htl/tests/test-2.c
index 33bc17d..613f716 100644
--- a/htl/tests/test-2.c
+++ b/htl/tests/test-2.c
@@ -1,5 +1,5 @@
 /* Test detachability.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-3.c b/htl/tests/test-3.c
index baa62c9..f6efadb 100644
--- a/htl/tests/test-3.c
+++ b/htl/tests/test-3.c
@@ -1,5 +1,5 @@
 /* Test the thread attribute get and set methods.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-4.c b/htl/tests/test-4.c
index 4e3f271..5e79714 100644
--- a/htl/tests/test-4.c
+++ b/htl/tests/test-4.c
@@ -1,5 +1,5 @@
 /* Test the stack guard.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-5.c b/htl/tests/test-5.c
index ff56125..2772698 100644
--- a/htl/tests/test-5.c
+++ b/htl/tests/test-5.c
@@ -1,5 +1,5 @@
 /* Test signals.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-6.c b/htl/tests/test-6.c
index dc2c36b..7eeb113 100644
--- a/htl/tests/test-6.c
+++ b/htl/tests/test-6.c
@@ -1,5 +1,5 @@
 /* Test barriers.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-7.c b/htl/tests/test-7.c
index 4e79324..0c9f92a 100644
--- a/htl/tests/test-7.c
+++ b/htl/tests/test-7.c
@@ -1,5 +1,5 @@
 /* Test Thread-Specific Data.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-8.c b/htl/tests/test-8.c
index b0453ab..2fd15b0 100644
--- a/htl/tests/test-8.c
+++ b/htl/tests/test-8.c
@@ -1,5 +1,5 @@
 /* Test pthread_once.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-9.c b/htl/tests/test-9.c
index 620b9f0..637e140 100644
--- a/htl/tests/test-9.c
+++ b/htl/tests/test-9.c
@@ -1,5 +1,5 @@
 /* Test recursive mutexes.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/htl/tests/test-__pthread_destroy_specific-skip.c b/htl/tests/test-__pthread_destroy_specific-skip.c
index c985d42..be002f0 100644
--- a/htl/tests/test-__pthread_destroy_specific-skip.c
+++ b/htl/tests/test-__pthread_destroy_specific-skip.c
@@ -1,6 +1,6 @@
 /* Check that __pthread_destroy_specific works correctly if it has to skip
    unused slots.
-   Copyright (C) 2000-2021 Free Software Foundation, Inc.
+   Copyright (C) 2000-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or