upgraded builtin zlib to 1.2.1

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26956 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/zlib/inffast.h

@@ -1,6 +1,6 @@
 /* inffast.h -- header to use inffast.c
- * Copyright (C) 1995-2002 Mark Adler
- * For conditions of distribution and use, see copyright notice in zlib.h 
+ * Copyright (C) 1995-2003 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 /* WARNING: this file should *not* be used by applications. It is
@@ -8,10 +8,4 @@
    subject to change. Applications should only use zlib.h.
  */
 
-extern int inflate_fast OF((
-    uInt,
-    uInt,
-    inflate_huft *,
-    inflate_huft *,
-    inflate_blocks_statef *,
-    z_streamp ));
+void inflate_fast OF((z_streamp strm, unsigned start));