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

--- sf-grammer.y.orig	Wed Nov  7 01:34:18 2007
+++ sf-grammer.y	Thu Jun 13 15:21:48 2013
@@ -41,7 +41,7 @@ static const char rcsid[] =
 #include <stdio.h>
 #include <string.h>
 
-#include "pcap-int.h"
+#include "pcap.h"
 
 #include "sf-gencode.h"
 #include <pcap-namedb.h>