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

--- sf-scanner.l.orig	Wed Nov  7 01:34:18 2007
+++ sf-scanner.l	Thu Jun 13 15:22:37 2013
@@ -36,7 +36,7 @@ static const char rcsid[] =
 #include <unistd.h>
 #include <vis.h>
 
-#include "pcap-int.h"
+#include "pcap.h"
 #include "sf-gencode.h"
 
 #include <netdb.h>