Update mutt subscribes

.mutt/conf/subscribes

@@ -21,4 +21,4 @@ subscribe (.+)@lists\.openics\.org
 subscribe (.+)@listes20(.*)\.rmll\.info
 subscribe (.+)@2011\.rmll.info
 subscribe sympa-(.+)@cru\.fr
-
+subscribe (.+)@ml\.free\.fr