[PATCH] xdiff: fix a hard crash on Windows

[Yuya Nishihara]

On Mon, 12 Mar 2018 18:55:26 -0700, Jun Wu wrote:
> Looks good. Thanks for fixing this!
> 
> Excerpts from Matt Harbison's message of 2018-03-12 21:53:12 -0400:
> > # HG changeset patch
> > # User Matt Harbison <matt_harbison at yahoo.com>
> > # Date 1520905818 14400
> > #      Mon Mar 12 21:50:18 2018 -0400
> > # Node ID 60bb2f7dd9ba313f96374470e8419bf1a20454a1
> > # Parent  aed445748c7885482cd90e56e81f57a13d4ac95c
> > xdiff: fix a hard crash on Windows

Queued, thanks.