--- ftwall.c	2004-07-09 00:18:36.000000000 +0200
+++ ftwall.c.oden	2008-07-27 14:27:20.000000000 +0200
@@ -42,6 +42,7 @@
 #include <assert.h>
 #include <signal.h>
 #include <syslog.h>
+#include <limits.h>
 #include "lhash/lhash.h"
 #include <netinet/ip.h>
 #include <netinet/tcp.h>