$NetBSD: patch-ab,v 1.1 2003/10/21 20:55:42 xtraeme Exp $

--- interfaces-bpf.cc.orig	2003-10-20 19:13:38.000000000 +0200
+++ interfaces-bpf.cc	2003-10-20 19:13:52.000000000 +0200
@@ -15,6 +15,7 @@
     GNU General Public License for more details.
 ******************************************************************************/
 
+#include <assert.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <fcntl.h>