build: update gnulib submodule to latest

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

Mon, 25 Feb 2019 07:35:23 +0000 (23:35 -0800)

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

Mon, 25 Feb 2019 07:59:55 +0000 (23:59 -0800)
author Paul Eggert <eggert@cs.ucla.edu>
Mon, 25 Feb 2019 07:35:23 +0000 (23:35 -0800)
committer Paul Eggert <eggert@cs.ucla.edu>
Mon, 25 Feb 2019 07:59:55 +0000 (23:59 -0800)
diff --git a/gnulib b/gnulib

index e3970fb9891668bd9dbc94daca18dc0d42b7e466..188d87b05190690d6f8b0577ec65ef221a711d08 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit e3970fb9891668bd9dbc94daca18dc0d42b7e466
+Subproject commit 188d87b05190690d6f8b0577ec65ef221a711d08
author	Paul Eggert <eggert@cs.ucla.edu>
	Mon, 25 Feb 2019 07:35:23 +0000 (23:35 -0800)
committer	Paul Eggert <eggert@cs.ucla.edu>
	Mon, 25 Feb 2019 07:59:55 +0000 (23:59 -0800)