build: update gnulib submodule to latest

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

Tue, 6 Mar 2018 23:15:24 +0000 (15:15 -0800)

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

Tue, 6 Mar 2018 23:22:26 +0000 (15:22 -0800)
author Paul Eggert <eggert@cs.ucla.edu>
Tue, 6 Mar 2018 23:15:24 +0000 (15:15 -0800)
committer Paul Eggert <eggert@cs.ucla.edu>
Tue, 6 Mar 2018 23:22:26 +0000 (15:22 -0800)
diff --git a/gnulib b/gnulib

index d9afeacd0e2396deaabab291ab94e09ab9834fdb..59e59d99bc1ca635d178778b9b4ee544330775c4 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit d9afeacd0e2396deaabab291ab94e09ab9834fdb
+Subproject commit 59e59d99bc1ca635d178778b9b4ee544330775c4
author	Paul Eggert <eggert@cs.ucla.edu>
	Tue, 6 Mar 2018 23:15:24 +0000 (15:15 -0800)
committer	Paul Eggert <eggert@cs.ucla.edu>
	Tue, 6 Mar 2018 23:22:26 +0000 (15:22 -0800)