--- o2em118src/src/score.c.orig	2006-05-01 01:58:08.000000000 -0400
+++ o2em118src/src/score.c	2008-02-07 11:58:23.000000000 -0500
@@ -19,6 +19,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <time.h>
+#include <errno.h>
 #include "vmachine.h"
 #include "types.h"
 #include "score.h"