[PATCH 1/3] build: update gnulib submodule to latest

[Paul Eggert]

---
 gnulib | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnulib b/gnulib
index 59e59d99b..81acba941 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 59e59d99bc1ca635d178778b9b4ee544330775c4
+Subproject commit 81acba941a158525a3a8b976cb74e59c8cde1b74
-- 
2.17.0