Update doc/common + m4

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

diff --git a/m4 b/m4
index 1fa0b45..f7d7eb4 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit 1fa0b45a8141955801938f967f1d1dca1b042c17
+Subproject commit f7d7eb4b44b7fdad1942e32856d6afc2e6dcabda