pcap-int.h no longer exists in /usr/include

--- bpf_optimize.c.orig	Wed Nov  7 01:34:18 2007
+++ bpf_optimize.c	Thu Jun 13 15:23:36 2013
@@ -31,7 +31,7 @@
 #include <stdlib.h>
 #include <memory.h>
 
-#include "pcap-int.h"
+#include "pcap.h"
 
 #include "sf-gencode.h"