build: update gnulib submodule to latest

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

Sat, 17 Jul 2021 20:47:56 +0000 (15:47 -0500)

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

Mon, 26 Jul 2021 07:59:36 +0000 (00:59 -0700)
author Paul Eggert <eggert@cs.ucla.edu>
Sat, 17 Jul 2021 20:47:56 +0000 (15:47 -0500)
committer Paul Eggert <eggert@cs.ucla.edu>
Mon, 26 Jul 2021 07:59:36 +0000 (00:59 -0700)
diff --git a/gnulib b/gnulib

index ff7c8b21e259fdc4bc721ed55519cfee06739efa..ec87cff2ac13f29f4aee88caa7e16e72cef3f490 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit ff7c8b21e259fdc4bc721ed55519cfee06739efa
+Subproject commit ec87cff2ac13f29f4aee88caa7e16e72cef3f490
author	Paul Eggert <eggert@cs.ucla.edu>
	Sat, 17 Jul 2021 20:47:56 +0000 (15:47 -0500)
committer	Paul Eggert <eggert@cs.ucla.edu>
	Mon, 26 Jul 2021 07:59:36 +0000 (00:59 -0700)