$NetBSD: patch-ab,v 1.3 2006/03/09 17:23:45 thomasklausner Exp $

--- src/include/unzip.h.orig	2002-07-18 20:12:09.000000000 +0200
+++ src/include/unzip.h
@@ -57,6 +57,10 @@ extern "C" {
 #include "zlib.h"
 #endif
 
+#ifndef OF
+#define OF(a)	a
+#endif
+
 #if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
 /* like the STRICT of WIN32, we define a pointer that cannot be converted
     from (void*) without cast */