Update m4

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

diff --git a/m4 b/m4
index a68af87..f7d7eb4 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit a68af871a42a363953e3ff78feff378787ad6ddd
+Subproject commit f7d7eb4b44b7fdad1942e32856d6afc2e6dcabda