--- openvpn-2.1_rc8/init.c.orig	2008-07-18 10:50:52.000000000 +0200
+++ openvpn-2.1_rc8/init.c	2008-07-18 10:51:05.000000000 +0200
@@ -30,6 +30,7 @@
 #include "occ.h"
 #include "list.h"
 #include "otime.h"
+#include "ping.h"
 #include "pool.h"
 #include "gremlin.h"
 #include "pkcs11.h"