build: update gnulib submodule and tests/init.sh to latest

* gnulib: Update to latest.
* tests/init.sh: Update from gnulib.

diff --git a/gnulib b/gnulib
index a10acfb1d2118f9a180181d3fed5399dbbe1df3c..c6e14bbd5d404d147504acdd74c3fd17d5ef1088 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit a10acfb1d2118f9a180181d3fed5399dbbe1df3c
+Subproject commit c6e14bbd5d404d147504acdd74c3fd17d5ef1088

diff --git a/tests/init.sh b/tests/init.sh
index b5c2e3f1882edbb80dca5a1b191d715704a6dc89..fbd293d642034efe6cfcab09532a1fb2d9d53a68 100755 (executable)
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -201,6 +201,8 @@ else
       *x*) opts_=-x ;;
       *) opts_= ;;
     esac
+    re_shell=$re_shell_
+    export re_shell
     exec "$re_shell_" $opts_ "$0" --no-reexec "$@"
     echo "$ME_: exec failed" 1>&2
     exit 127