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 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master

14 files changed, 14 insertions, 14 deletions

diff --git a/sysdeps/unix/bsd/bits/sockaddr.h b/sysdeps/unix/bsd/bits/sockaddr.h
index e2719bb..13c9f2c 100644
--- a/sysdeps/unix/bsd/bits/sockaddr.h
+++ b/sysdeps/unix/bsd/bits/sockaddr.h
@@ -1,5 +1,5 @@
 /* Definition of struct sockaddr_* common members and sizes, BSD version.
-   Copyright (C) 1995-2020 Free Software Foundation, Inc.
+   Copyright (C) 1995-2021 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/unix/bsd/getpt.c b/sysdeps/unix/bsd/getpt.c
index cdc3518..1dde0cc 100644
--- a/sysdeps/unix/bsd/getpt.c
+++ b/sysdeps/unix/bsd/getpt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
diff --git a/sysdeps/unix/bsd/gtty.c b/sysdeps/unix/bsd/gtty.c
index 3506c89..351953a 100644
--- a/sysdeps/unix/bsd/gtty.c
+++ b/sysdeps/unix/bsd/gtty.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/stty.c b/sysdeps/unix/bsd/stty.c
index ba7ac8b..c2038e1 100644
--- a/sysdeps/unix/bsd/stty.c
+++ b/sysdeps/unix/bsd/stty.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/tcdrain.c b/sysdeps/unix/bsd/tcdrain.c
index 0c87acd..fd5de98 100644
--- a/sysdeps/unix/bsd/tcdrain.c
+++ b/sysdeps/unix/bsd/tcdrain.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2021 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/unix/bsd/tcflow.c b/sysdeps/unix/bsd/tcflow.c
index d1aa6c0..22187e9 100644
--- a/sysdeps/unix/bsd/tcflow.c
+++ b/sysdeps/unix/bsd/tcflow.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/tcflush.c b/sysdeps/unix/bsd/tcflush.c
index bd00b58..cf29389 100644
--- a/sysdeps/unix/bsd/tcflush.c
+++ b/sysdeps/unix/bsd/tcflush.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/tcgetattr.c b/sysdeps/unix/bsd/tcgetattr.c
index 3ec3013..41e0c62 100644
--- a/sysdeps/unix/bsd/tcgetattr.c
+++ b/sysdeps/unix/bsd/tcgetattr.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/tcgetpgrp.c b/sysdeps/unix/bsd/tcgetpgrp.c
index 579017d..a6ec434 100644
--- a/sysdeps/unix/bsd/tcgetpgrp.c
+++ b/sysdeps/unix/bsd/tcgetpgrp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/tcsendbrk.c b/sysdeps/unix/bsd/tcsendbrk.c
index f3b671b..c06fdc8 100644
--- a/sysdeps/unix/bsd/tcsendbrk.c
+++ b/sysdeps/unix/bsd/tcsendbrk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/tcsetattr.c b/sysdeps/unix/bsd/tcsetattr.c
index 7dc8ddb..d9fd39e 100644
--- a/sysdeps/unix/bsd/tcsetattr.c
+++ b/sysdeps/unix/bsd/tcsetattr.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2021 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/unix/bsd/tcsetpgrp.c b/sysdeps/unix/bsd/tcsetpgrp.c
index 425438c..98c88db 100644
--- a/sysdeps/unix/bsd/tcsetpgrp.c
+++ b/sysdeps/unix/bsd/tcsetpgrp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/ualarm.c b/sysdeps/unix/bsd/ualarm.c
index 3785cd6..581d060 100644
--- a/sysdeps/unix/bsd/ualarm.c
+++ b/sysdeps/unix/bsd/ualarm.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2021 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/unix/bsd/unlockpt.c b/sysdeps/unix/bsd/unlockpt.c
index e609685..6cfdb93 100644
--- a/sysdeps/unix/bsd/unlockpt.c
+++ b/sysdeps/unix/bsd/unlockpt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.