Update gnulib

diff --git a/gnulib b/gnulib
index 1f63650823cebf52044df840c81062ccb52163a2..271dfe37985ff3a6e9cf9d08ab67e8ea3e239162 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 1f63650823cebf52044df840c81062ccb52163a2
+Subproject commit 271dfe37985ff3a6e9cf9d08ab67e8ea3e239162