$NetBSD: patch-aj,v 1.2 2005/11/23 12:17:56 adam Exp $

--- src/Unix/ether_unix.cpp.orig	2005-07-03 10:21:32.000000000 +0200
+++ src/Unix/ether_unix.cpp
@@ -33,7 +33,7 @@
 #include <stdio.h>
 #include <map>
 
-#if defined(__FreeBSD__) || defined(sgi) || (defined(__APPLE__) && defined(__MACH__))
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(sgi) || (defined(__APPLE__) && defined(__MACH__))
 #include <net/if.h>
 #endif