build: update gnulib submodule to latest

author Paul Eggert <eggert@cs.ucla.edu>

Thu, 16 Feb 2017 08:20:30 +0000 (00:20 -0800)

committer Paul Eggert <eggert@cs.ucla.edu>

Thu, 16 Feb 2017 08:40:50 +0000 (00:40 -0800)
author Paul Eggert <eggert@cs.ucla.edu>
Thu, 16 Feb 2017 08:20:30 +0000 (00:20 -0800)
committer Paul Eggert <eggert@cs.ucla.edu>
Thu, 16 Feb 2017 08:40:50 +0000 (00:40 -0800)
diff --git a/gnulib b/gnulib

index 87c456bf6fb9453144890f0941c118a49b20fda5..820fa6ad064bf3ba81dc9e2cd7fa2b98bb270902 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 87c456bf6fb9453144890f0941c118a49b20fda5
+Subproject commit 820fa6ad064bf3ba81dc9e2cd7fa2b98bb270902
author	Paul Eggert <eggert@cs.ucla.edu>
	Thu, 16 Feb 2017 08:20:30 +0000 (00:20 -0800)
committer	Paul Eggert <eggert@cs.ucla.edu>
	Thu, 16 Feb 2017 08:40:50 +0000 (00:40 -0800)