Update to newest gnulib.

diff --git a/gnulib b/gnulib
index 1e09fe160316754199646d6d16183ef4b1981f0e..0f0ee4a910a71e7d53d6e05b2bc8bc45afff96ac 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 1e09fe160316754199646d6d16183ef4b1981f0e
+Subproject commit 0f0ee4a910a71e7d53d6e05b2bc8bc45afff96ac