$NetBSD: patch-ac,v 1.3 2020/10/26 10:04:12 schmonz Exp $

Fix build on OS X.

--- libtcpa/buildbuff.c.orig	2003-07-10 13:32:54.000000000 -0400
+++ libtcpa/buildbuff.c
@@ -7,6 +7,7 @@
 
 #include <string.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <netinet/in.h>
 
 /****************************************************************************/