Update m4

[pazpar2-moved-to-github.git] / m4

diff --git a/m4 b/m4
index 96ff03f..eda6995 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit 96ff03f91b4539e315dadd50ab2564412c076394
+Subproject commit eda6995523f2412995ee60b5fe6443dee3e0d156