bootstrap: use git_modules_config in one more place

* bootstrap: Make bootstrap's --gnulib-srcdir more useful (for testing).

diff --git a/bootstrap b/bootstrap
index 6957ea3..97300b4 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -416,7 +416,7 @@ case ${GNULIB_SRCDIR--} in
         git_modules_config submodule.gnulib.url >/dev/null; then
     git submodule init
     GNULIB_SRCDIR=`cd $GNULIB_SRCDIR && pwd`
-    git config --replace-all submodule.gnulib.url $GNULIB_SRCDIR
+    git_modules_config --replace-all submodule.gnulib.url $GNULIB_SRCDIR
     echo "$0: getting gnulib files..."
     git submodule update || exit $?
     GNULIB_SRCDIR=gnulib