$NetBSD$

--- src/gens/util/unzip.h.orig	2004-03-14 15:33:14.000000000 +0100
+++ src/gens/util/unzip.h
@@ -59,6 +59,10 @@ typedef voidp unzFile;
 #endif
 
 
+#ifndef OF
+# define OF(args)      args
+#endif
+
 #define UNZ_OK                                  (0)
 #define UNZ_END_OF_LIST_OF_FILE (-100)
 #define UNZ_ERRNO               (Z_ERRNO)
