Update gnulib

diff --git a/gnulib b/gnulib
index ea6cb044ca0ab57045900a494a0e4ae39ed5372c..4fed9c82b55b815f6e2afacb88999e403fb3117d 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit ea6cb044ca0ab57045900a494a0e4ae39ed5372c
+Subproject commit 4fed9c82b55b815f6e2afacb88999e403fb3117d