--- lefty/common.h.sav	Thu Sep 16 09:15:07 2004
+++ lefty/common.h	Thu Sep 16 09:15:42 2004
@@ -17,6 +17,8 @@
 #ifndef _COMMON_H
 #define _COMMON_H
 
+#include <sys/types.h>
+
 /* some config and conversion definitions from graphviz distribution */
 #ifdef HAVE_CONFIG_H
 #include "config.h"