Update to the newest gnulib.

diff --git a/gnulib b/gnulib
index 9a26e7043fa95b4c9ee4576ce8c0ac15668e695e..112ba3d0677b4c717c893a5744d07b4ea69c36ce 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 9a26e7043fa95b4c9ee4576ce8c0ac15668e695e
+Subproject commit 112ba3d0677b4c717c893a5744d07b4ea69c36ce