$NetBSD: patch-ab,v 1.1 2006/04/17 14:50:47 wiz Exp $

--- win32/include/zlib/zutil.h.orig	2004-01-18 00:07:32.000000000 +0100
+++ win32/include/zlib/zutil.h
@@ -26,6 +26,10 @@
 #   include <errno.h>
 #endif
 
+#ifndef OF
+#define OF(X)	X
+#endif
+
 #ifndef local
 #  define local static
 #endif