Updated to latest m4.

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

diff --git a/m4 b/m4
index 0f3a69d..2ceb2c3 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit 0f3a69de2f8521acad717e692d0a182a9614cc5b
+Subproject commit 2ceb2c3a4b580e09aadcbd1cbbb12e10b60f1337