[Bug 56837] Bad file pointer after a file write in appending mode

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56837

--- Comment #11 from Dmitry Timoshkov  ---
(In reply to Piotr Caban from comment #10)
> I don't understand what's wrong, could you please describe it in more
> detail? I have verified that both test application output and file content
> is the same as on Windows.

I can confirm that with the proposed MR 7651 attached test shows same result
under Wine as observed under Windows.