Replace m4/warning.m4 with warnings module.

[bison.git] / gnulib

diff --git a/gnulib b/gnulib
index 2ec9ae244196c963a03bbcd3d85233ee78adbd44..2c64312ecca19a60629cb929c1ae759109c772b5 160000 (submodule)
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 2ec9ae244196c963a03bbcd3d85233ee78adbd44
+Subproject commit 2c64312ecca19a60629cb929c1ae759109c772b5