$OpenBSD: patch-src_openbsd_h,v 1.2 2009/05/10 19:07:47 sthen Exp $
--- src/openbsd.h.orig	Mon Mar 30 05:44:25 2009
+++ src/openbsd.h	Sun May 10 12:07:14 2009
@@ -2,6 +2,7 @@
 #define OPENBSD_H_
 
 #include "common.h"
+#include <sys/param.h>
 #include <sys/sysctl.h>
 #include <sys/sensors.h>
 #include <machine/apmvar.h>