diff -up net-tools-1.60/lib/ec_hw.c.ec_hw_null net-tools-1.60/lib/ec_hw.c
--- net-tools-1.60/lib/ec_hw.c.ec_hw_null 1999-11-20 22:02:53.000000000 +0100
+++ net-tools-1.60/lib/ec_hw.c 2009-09-15 16:33:27.000000000 +0200
@@ -15,7 +15,7 @@
#include "config.h"
#if HAVE_HWEC
-
+#include <stdlib.h>
#include <net/if_arp.h>
#include "net-support.h"