$NetBSD: patch-aa,v 1.3 2011/04/15 16:18:02 drochner Exp $

--- src/common/os.h.orig	2009-07-01 16:40:03.000000000 +0000
+++ src/common/os.h
@@ -15,6 +15,8 @@
 
 #include "config.h"
 
+#include <stdarg.h>
+
 // For PRId64 and PRIu64:
 #define __STDC_FORMAT_MACROS