$OpenBSD: patch-src_fastnetmon_cpp,v 1.2 2018/07/12 06:27:07 jasper Exp $

From d02c20b3e8c60c4f5b18082db97437b554523bdd Mon Sep 17 00:00:00 2001
From: Jasper Lievisse Adriaanse <jasper@humppa.nl>
Date: Wed, 11 Jul 2018 16:41:24 +0200
Subject: [PATCH] add support for OpenBSD

Index: src/fastnetmon.cpp
--- src/fastnetmon.cpp.orig
+++ src/fastnetmon.cpp
@@ -19,6 +19,7 @@
 #include <netinet/tcp.h>
 #include <netinet/udp.h>
 #include <netinet/ip_icmp.h>
+#include <net/if_arp.h> // struct arphdr
 #include <netinet/if_ether.h>
 #include <netinet/in.h>
 
