Ensure tests compile on *BSD.

diff --git a/test/pong.c b/test/pong.c
index 65a9075..6e212bf 100644 (file)
--- a/test/pong.c
+++ b/test/pong.c
@@ -1,6 +1,6 @@
 /*
     pong.c -- ICMP echo reply generator
-    Copyright (C) 2013 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2013-2017 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -19,6 +19,8 @@
 
 #include "../src/system.h"
 
+#include "../src/ethernet.h"
+
 uint8_t mymac[6] = {6, 5, 5, 6, 5, 5};
 
 static ssize_t do_arp(uint8_t *buf, ssize_t len, struct sockaddr_in *in) {