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

10 files changed, 10 insertions, 10 deletions

diff --git a/sysdeps/powerpc/nptl/Makefile b/sysdeps/powerpc/nptl/Makefile
index d99cfd5..90b7383 100644
--- a/sysdeps/powerpc/nptl/Makefile
+++ b/sysdeps/powerpc/nptl/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 2003-2021 Free Software Foundation, Inc.
+# Copyright (C) 2003-2022 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/sysdeps/powerpc/nptl/bits/struct_mutex.h b/sysdeps/powerpc/nptl/bits/struct_mutex.h
index b324588..89a615c 100644
--- a/sysdeps/powerpc/nptl/bits/struct_mutex.h
+++ b/sysdeps/powerpc/nptl/bits/struct_mutex.h
@@ -1,5 +1,5 @@
 /* PowerPC internal mutex struct definitions.
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 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/sysdeps/powerpc/nptl/bits/struct_rwlock.h b/sysdeps/powerpc/nptl/bits/struct_rwlock.h
index 2655364..72f697f 100644
--- a/sysdeps/powerpc/nptl/bits/struct_rwlock.h
+++ b/sysdeps/powerpc/nptl/bits/struct_rwlock.h
@@ -1,5 +1,5 @@
 /* PowerPC internal rwlock struct definitions.
-   Copyright (C) 2019-2021 Free Software Foundation, Inc.
+   Copyright (C) 2019-2022 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
diff --git a/sysdeps/powerpc/nptl/elide.h b/sysdeps/powerpc/nptl/elide.h
index 3332755..31ca1ed 100644
--- a/sysdeps/powerpc/nptl/elide.h
+++ b/sysdeps/powerpc/nptl/elide.h
@@ -1,5 +1,5 @@
 /* elide.h: Generic lock elision support for powerpc.
-   Copyright (C) 2015-2021 Free Software Foundation, Inc.
+   Copyright (C) 2015-2022 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/sysdeps/powerpc/nptl/pthread_spin_lock.c b/sysdeps/powerpc/nptl/pthread_spin_lock.c
index b62612f..80f197e 100644
--- a/sysdeps/powerpc/nptl/pthread_spin_lock.c
+++ b/sysdeps/powerpc/nptl/pthread_spin_lock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2022 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/sysdeps/powerpc/nptl/pthread_spin_trylock.c b/sysdeps/powerpc/nptl/pthread_spin_trylock.c
index 45fe6ad..4fa1177 100644
--- a/sysdeps/powerpc/nptl/pthread_spin_trylock.c
+++ b/sysdeps/powerpc/nptl/pthread_spin_trylock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2022 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/sysdeps/powerpc/nptl/pthread_spin_unlock.c b/sysdeps/powerpc/nptl/pthread_spin_unlock.c
index 86bbe4d..4243780 100644
--- a/sysdeps/powerpc/nptl/pthread_spin_unlock.c
+++ b/sysdeps/powerpc/nptl/pthread_spin_unlock.c
@@ -1,5 +1,5 @@
 /* pthread_spin_unlock -- unlock a spin lock.  PowerPC version.
-   Copyright (C) 2007-2021 Free Software Foundation, Inc.
+   Copyright (C) 2007-2022 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/sysdeps/powerpc/nptl/pthreaddef.h b/sysdeps/powerpc/nptl/pthreaddef.h
index 117c352..112aa2e 100644
--- a/sysdeps/powerpc/nptl/pthreaddef.h
+++ b/sysdeps/powerpc/nptl/pthreaddef.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
+/* Copyright (C) 2003-2022 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/sysdeps/powerpc/nptl/thread_pointer.h b/sysdeps/powerpc/nptl/thread_pointer.h
index 4feba59..0270423 100644
--- a/sysdeps/powerpc/nptl/thread_pointer.h
+++ b/sysdeps/powerpc/nptl/thread_pointer.h
@@ -1,5 +1,5 @@
 /* __thread_pointer definition.  powerpc version.
-   Copyright (C) 2021 Free Software Foundation, Inc.
+   Copyright (C) 2021-2022 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/sysdeps/powerpc/nptl/tls.h b/sysdeps/powerpc/nptl/tls.h
index d03fcb6..b80d39a 100644
--- a/sysdeps/powerpc/nptl/tls.h
+++ b/sysdeps/powerpc/nptl/tls.h
@@ -1,5 +1,5 @@
 /* Definition for thread-local data handling.  NPTL/PowerPC version.
-   Copyright (C) 2003-2021 Free Software Foundation, Inc.
+   Copyright (C) 2003-2022 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