Update m4

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

diff --git a/m4 b/m4
index f7d7eb4..59de4b0 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit f7d7eb4b44b7fdad1942e32856d6afc2e6dcabda
+Subproject commit 59de4b0c89f3484d52ba8705ef86a1e0a39277b0