maint: update all copyright year number ranges

Run "make update-copyright" and then...

* gnulib: Update to latest with copyright year adjusted.
* tests/init.sh: Sync with gnulib to pick up copyright year.
* bootstrap: Likewise.
* tests/sample-test: Adjust to use the single most recent year.

7 files changed, 7 insertions, 7 deletions

diff --git a/m4/boottime.m4 b/m4/boottime.m4
index 591c026bb..79c0fcf86 100644
--- a/m4/boottime.m4
+++ b/m4/boottime.m4
@@ -1,7 +1,7 @@
 # boottime.m4 serial 4
 # Determine whether this system has infrastructure for obtaining the boot time.
 
-# Copyright (C) 1996-2020 Free Software Foundation, Inc.
+# Copyright (C) 1996-2021 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/check-decl.m4 b/m4/check-decl.m4
index 845a50544..c67a95edb 100644
--- a/m4/check-decl.m4
+++ b/m4/check-decl.m4
@@ -1,7 +1,7 @@
 #serial 26
 # Check declarations for this package.
 
-dnl Copyright (C) 1997-2020 Free Software Foundation, Inc.
+dnl Copyright (C) 1997-2021 Free Software Foundation, Inc.
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/include-exclude-prog.m4 b/m4/include-exclude-prog.m4
index 53688ddc9..6af2a8cd4 100644
--- a/m4/include-exclude-prog.m4
+++ b/m4/include-exclude-prog.m4
@@ -1,5 +1,5 @@
 #serial 2
-dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2021 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index bce7ae7fc..db32cf483 100644
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -2,7 +2,7 @@
 
 dnl Misc type-related macros for coreutils.
 
-# Copyright (C) 1998-2020 Free Software Foundation, Inc.
+# Copyright (C) 1998-2021 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/prereq.m4 b/m4/prereq.m4
index e52a89ee4..5a7f4264e 100644
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -7,7 +7,7 @@ m4_pattern_forbid([^gl_[ABCDEFGHIJKLMNOPQRSTUVXYZ]])dnl
 # directory of the coreutils package.
 
 
-# Copyright (C) 1998-2020 Free Software Foundation, Inc.
+# Copyright (C) 1998-2021 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/stat-prog.m4 b/m4/stat-prog.m4
index c2f4f17fe..e7cef942a 100644
--- a/m4/stat-prog.m4
+++ b/m4/stat-prog.m4
@@ -1,7 +1,7 @@
 # stat-prog.m4 serial 7
 # Record the prerequisites of src/stat.c from the coreutils package.
 
-# Copyright (C) 2002-2020 Free Software Foundation, Inc.
+# Copyright (C) 2002-2021 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/xattr.m4 b/m4/xattr.m4
index 8c59d6a14..3fbcd9104 100644
--- a/m4/xattr.m4
+++ b/m4/xattr.m4
@@ -1,7 +1,7 @@
 # xattr.m4 - check for Extended Attributes (Linux)
 # serial 3
 
-# Copyright (C) 2003-2020 Free Software Foundation, Inc.
+# Copyright (C) 2003-2021 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.