--- src/sys/net/if.c	2005/06/15 19:29:30	1.40
+++ src/sys/net/if.c	2005/10/24 08:06:16	1.41
@@ -38,6 +38,7 @@
 #include "opt_compat.h"
 #include "opt_inet6.h"
 #include "opt_inet.h"
+#include "opt_polling.h"
 
 #include <sys/param.h>
 #include <sys/malloc.h>