--- ipcad-3.7.3.orig/loop-ipq.c	2007-04-22 10:08:45.000000000 +0200
+++ ipcad-3.7.3/loop-ipq.c	2008-10-09 16:47:02.000000000 +0200
@@ -29,6 +29,7 @@
 #include "ipcad.h"
 #include "opt.h"
 
+#define NF_ACCEPT 1
 
 #ifndef	PSRC_ipq