[PATCH STABLE] win32mbcs: wrap underlying pycompat.bytestr to use checkwinfilename safely

[Yuya Nishihara]

On Fri, 12 May 2017 21:50:37 +0900, FUJIWARA Katsunori wrote:
> # HG changeset patch
> # User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
> # Date 1494593174 -32400
> #      Fri May 12 21:46:14 2017 +0900
> # Branch stable
> # Node ID 71dc8e6d3207dd21de299b2e65c0976ca0b89e9c
> # Parent  a0e46f6b248b7a6db0f3cd09b1dba6dcefeb8fd4
> win32mbcs: wrap underlying pycompat.bytestr to use checkwinfilename safely

Looks good. Queued, thanks.

I believe porting win32mbcs to Python 3 will be tremendously hard. We'll
need redesign.