build: update gnulib submodule to latest

diff --git a/gnulib b/gnulib
index 0906b5f3d776d1a91b4c1f2c244cb01b2c6aabcd..b4349b948ba2c352187158e241334abda6e473e9 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 0906b5f3d776d1a91b4c1f2c244cb01b2c6aabcd
+Subproject commit b4349b948ba2c352187158e241334abda6e473e9

diff --git a/m4/.gitignore b/m4/.gitignore
index 5ef04eb7bf2cbf210a8f0dde1ec6fafbb7df2994..657e29f50c93c767f05e1daa2c8a77a75190300a 100644 (file)
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -121,6 +121,7 @@ utimens.m4
 utimes.m4
 vasnprintf.m4
 vfprintf-posix.m4
+warn-on-use.m4
 warnings.m4
 wchar.m4
 wchar_t.m4