--- ser-0.8.14.orig/locking.h	2004-07-27 01:18:35.000000000 +0200
+++ ser-0.8.14/locking.h	2004-12-26 15:39:03.000000000 +0100
@@ -67,6 +67,8 @@
 #define _locking_h
 
 /* the order is important */
+#include <errno.h>
+#include "dprint.h"
 #include "lock_ops.h"
 #include "lock_alloc.h"