gnulib: update

bootstrap

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Print a version string.
-scriptversion=2021-04-11.09; # UTC
+scriptversion=2022-06-15.05; # UTC
 
 # Bootstrap this package from checked-out sources.
 
@@ -487,7 +487,7 @@ fi
 
 # Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in configure.ac.
 found_aux_dir=no
-grep '^[	 ]*AC_CONFIG_AUX_DIR(\['"$build_aux"'\])' configure.ac \
+grep '^[	 ]*AC_CONFIG_AUX_DIR(\['"$build_aux"'])' configure.ac \
     >/dev/null && found_aux_dir=yes
 grep '^[	 ]*AC_CONFIG_AUX_DIR('"$build_aux"')' configure.ac \
     >/dev/null && found_aux_dir=yes
@@ -776,7 +776,8 @@ if $use_gnulib; then
         # not be performed because we do not know what the depth of the commit
         # is without fetching all commits. So fallback to fetching all commits.
         git -C "$gnulib_path" init
-        git -C "$gnulib_path" remote add origin ${GNULIB_URL:-$default_gnulib_url}
+        git -C "$gnulib_path" remote add origin \
+            ${GNULIB_URL:-$default_gnulib_url}
         git -C "$gnulib_path" fetch $shallow origin "$GNULIB_REVISION" \
           || git -C "$gnulib_path" fetch origin \
           || cleanup_gnulib
@@ -1109,7 +1110,7 @@ bootstrap_epilogue
 
 echo "$0: done.  Now you can run './configure'."
 
-# Local variables:
+# Local Variables:
 # eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"