Update gnulib files.

Signed-off-by: Simon Josefsson <simon@josefsson.org>
diff --git a/gnulib b/gnulib
index b5a9fa6..7cc8d8a 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit b5a9fa677847081c9b4f26908272f122b15df8b9
+Subproject commit 7cc8d8aa0db12119d6d88af430238c24361afc4e