$OpenBSD$
--- scanner.c.orig	Sat Sep 22 01:45:51 2012
+++ scanner.c	Sat Sep 22 01:46:11 2012
@@ -26,6 +26,7 @@
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/resource.h>
+#include <sys/syslimits.h>
 
 #include "config.h"
 
