maint: update --version copyright dates

* gunzip.in, gzexe.in, gzip.c, zcat.in, zcmp.in, zdiff.in, zforce.in,
zgrep.in, zless.in, zmore.in, znew.in: Also update the --version copyright
dates (those are not updated by update-copyright) by running this:

  grep -l ' 2022 Free'|xargs perl -pi -e 's/ 2022 Free/ 2023 Free/'

11 files changed, 11 insertions, 11 deletions

diff --git a/gunzip.in b/gunzip.in
index e27d25c..66d7872 100644
--- a/gunzip.in
+++ b/gunzip.in
@@ -18,7 +18,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 version="gunzip (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/gzexe.in b/gzexe.in
index 5432d38..5e3d4c2 100644
--- a/gzexe.in
+++ b/gzexe.in
@@ -37,7 +37,7 @@ nl='
 IFS=" $tab$nl"
 
 version='gzexe (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/gzip.c b/gzip.c
index b495641..7547e19 100644
--- a/gzip.c
+++ b/gzip.c
@@ -29,7 +29,7 @@
  */
 
 static char const *const license_msg[] = {
-"Copyright (C) 2022 Free Software Foundation, Inc.",
+"Copyright (C) 2023 Free Software Foundation, Inc.",
 "Copyright (C) 1993 Jean-loup Gailly.",
 "This is free software.  You may redistribute copies of it under the terms of",
 "the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.",
diff --git a/zcat.in b/zcat.in
index 8c795f7..e3712de 100644
--- a/zcat.in
+++ b/zcat.in
@@ -18,7 +18,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 version="zcat (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zcmp.in b/zcmp.in
index c7fb3f2..cd72ba0 100644
--- a/zcmp.in
+++ b/zcmp.in
@@ -18,7 +18,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 version="zcmp (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zdiff.in b/zdiff.in
index aad3697..e35e6fe 100644
--- a/zdiff.in
+++ b/zdiff.in
@@ -25,7 +25,7 @@ case $1 in
 esac
 
 version="z$prog (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zforce.in b/zforce.in
index 3621ddb..0397193 100644
--- a/zforce.in
+++ b/zforce.in
@@ -24,7 +24,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 version="zforce (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zgrep.in b/zgrep.in
index 7b81786..7aeee6c 100644
--- a/zgrep.in
+++ b/zgrep.in
@@ -26,7 +26,7 @@ grep='${GREP-'\''@GREP@'\''}'
 args=
 
 version='zgrep (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zless.in b/zless.in
index 51fabb6..7d4d3e4 100644
--- a/zless.in
+++ b/zless.in
@@ -17,7 +17,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 version="zless (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zmore.in b/zmore.in
index 7ee9bb0..f0c08ca 100644
--- a/zmore.in
+++ b/zmore.in
@@ -18,7 +18,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 version="zmore (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/znew.in b/znew.in
index 6312b0f..50a649a 100644
--- a/znew.in
+++ b/znew.in
@@ -22,7 +22,7 @@ LC_ALL=C
 export LC_ALL
 
 version="znew (gzip) @VERSION@
-Copyright (C) 2022 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.