[issue649] Strange I/O error on committing on win32

[Shun-ichi Goto]

New submission from Shun-ichi Goto <shunichi.goto at gmail.com>:

Due to cset:8a53b39cd402 (r4902 in crew),
strange I/O error occur on committing many files.
I've experienced on simply importing expanded tarball sources.

I bisect'ed and found that this error is caused by cs:8a53b39cd402 
and I guess '+' in mode should allow GENERIC_READ right (in util_win32.py).
Here is a patch attached.

----------
files: allow-reading-for-plus-in-mode
messages: 3590
nosy: gotoh
priority: urgent
status: unread
title: Strange I/O error on committing on win32
topic: windows

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Mercurial issue tracker <mercurial-bugs at selenic.com>
<http://www.selenic.com/mercurial/bts/issue649>
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