gnulib: Update submodule
diff --git a/gnulib b/gnulib index 6466c4b..722f67e 160000 --- a/gnulib +++ b/gnulib
@@ -1 +1 @@ -Subproject commit 6466c4b5321eb2625a25e582516c0fa4a5261d05 +Subproject commit 722f67e9716bf914c18d468336c1f4f9e5cce915
