$NetBSD: patch-ad,v 1.5 2011/01/02 23:53:13 schnoebe Exp $

Some old versions of zlib defined OF; not needed, but provide compat for it.

--- src/libpsi/tools/zip/minizip/unzip.h.orig	2007-10-14 09:00:55.000000000 -0500
+++ src/libpsi/tools/zip/minizip/unzip.h
@@ -49,6 +49,14 @@ extern "C" {
 #include "zlib.h"
 #endif
 
+#ifndef OF
+#  ifdef STDC
+#    define OF(x)      x
+#  else
+#    define OF(x)
+#  endif
+#endif
+
 #if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
 /* like the STRICT of WIN32, we define a pointer that cannot be converted
     from (void*) without cast */