Remove -r in md5sum (#37)

See #36

Author: Esteban82

Makefile

@@ -53,7 +53,7 @@ clean:
 all:		build-dcw tar-dcw zip-dcw checksum fig
 
 checksum:
-		md5sum -r $(TAG)-$(DCW_VERSION).tar.gz | awk '{printf "Update $(TAG).info with the new check sum: %s\n", $$1}'
+		md5sum $(TAG)-$(DCW_VERSION).tar.gz | awk '{printf "Update $(TAG).info with the new check sum: %s\n", $$1}'
 
 archive:	tar-dcw zip-dcw