-diff -urN busybox-1.19.4/networking/arping.c busybox-1.19.4.new/networking/arping.c
---- busybox-1.19.4/networking/arping.c 2012-02-04 20:24:55.000000000 +0100
-+++ busybox-1.19.4.new/networking/arping.c 2012-11-23 17:22:13.753252564 +0100
+--- a/networking/arping.c
++++ b/networking/arping.c
@@ -24,6 +24,8 @@
#include <arpa/inet.h>