$NetBSD$

--- state.c.orig	2004-10-05 12:07:04.000000000 +0000
+++ state.c
@@ -18,14 +18,19 @@
 #include <sys/socket.h>
 #include <sys/tree.h>
 
-#include <net/if.h>
-#include <net/pfvar.h>
 #include <netinet/in.h>
 #include <netinet/in_systm.h>
 #include <netinet/ip.h>
 #include <netinet/tcp.h>
 #include <netinet/tcp_fsm.h>
 
+#include <net/if.h>
+#if defined(__DragonFly__)
+#include <net/pf/pfvar.h>
+#else
+#include <net/pfvar.h>
+#endif
+
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
