Update m4

[metaproxy-moved-to-github.git] / m4

diff --git a/m4 b/m4
index 8328fa9..374a6b4 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit 8328fa9fa20336b6dc5534d4eeca0d49f8262dbf
+Subproject commit 374a6b4fe5d08e5152fd71e0803541884ea60e0f