$NetBSD$

--- include/winternl.h.orig	2005-11-11 09:56:44.000000000 +0100
+++ include/winternl.h
@@ -22,6 +22,7 @@
 #define __WINE_WINTERNL_H
 
 #include <windef.h>
+#include <stdarg.h>
 
 #ifdef __cplusplus
 extern "C" {
