Crap, I did it again - wrong patch attached. This mail with the patch against m4.
Riku
--- old/m4-1.4.16/debian/control 2011-04-05 18:35:26.000000000 +0300
+++ m4-1.4.16/debian/control 2011-09-07 11:13:33.126073001 +0300
@@ -8,6 +8,7 @@
Package: m4
Architecture: any
+Multi-Arch: foreign
Depends: ${shlibs:Depends}, dpkg (>= 1.15.4) | install-info
Description: a macro processing language
GNU `m4' is an implementation of the traditional UNIX macro
