build: update gnulib submodule to latest
authorJim Meyering <meyering@redhat.com>
Thu, 20 Jan 2011 09:00:42 +0000 (10:00 +0100)
committerJim Meyering <meyering@redhat.com>
Thu, 20 Jan 2011 09:07:08 +0000 (10:07 +0100)
The previous gnulib submodule reference was to a non-public commit.
Reported by Rob Vermaas.

gnulib

diff --git a/gnulib b/gnulib
index 5687794..680c7ff 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 568779402439589832419c90e3f8193496a39613
+Subproject commit 680c7ff005a2eb96b0903e5200cc28de273555c7