Update m4 for improved ICU check fixes
[yaz-moved-to-github.git] / m4
diff --git a/m4 b/m4
index 96ff03f..8e02252 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit 96ff03f91b4539e315dadd50ab2564412c076394
+Subproject commit 8e0225223a63fc2744bd0c1e6e470cf26223e285