Update gnulib

This updates gnulib to a relatively recent commit.  Most of this was
done by the gnulib import script; the only change I made was to
update-gnulib.sh.

Tested on x86-64 Fedora 34.  I also did a mingw cross build.

1 files changed, 15 insertions, 10 deletions

diff --git a/gnulib/import/filenamecat.h b/gnulib/import/filenamecat.h
index 15c5cf84723..f11bd289fe1 100644
--- a/gnulib/import/filenamecat.h
+++ b/gnulib/import/filenamecat.h
@@ -1,27 +1,32 @@
 /* Concatenate two arbitrary file names.
 
-   Copyright (C) 1996-1997, 2003, 2005, 2007, 2009-2021 Free Software
+   Copyright (C) 1996-1997, 2003, 2005, 2007, 2009-2022 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
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
 
-   This program is distributed in the hope that it will be useful,
+   This file is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
+   You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Written by Jim Meyering.  */
 
+#include <stdlib.h>
+
 #if GNULIB_FILENAMECAT
 char *file_name_concat (char const *dir, char const *base,
-                        char **base_in_result);
+                        char **base_in_result)
+  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
+  _GL_ATTRIBUTE_RETURNS_NONNULL;
 #endif
 
 char *mfile_name_concat (char const *dir, char const *base,
-                         char **base_in_result);
+                         char **base_in_result)
+  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE;