Update m4

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

diff --git a/m4 b/m4
index f273128..06ec18f 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit f273128ffbdf6e641b6af4901bbf4e62fde251cf
+Subproject commit 06ec18fbfaad00e4aaf915a2704c4b04c6f2924d