[Bug 52743] cannot write to _fdopen'ed stdout when running in docker

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52743

Austin English  changed:

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--- Comment #6 from Austin English  ---
(In reply to Eric Pouech from comment #5)
> - please update your test to check whether m_stdout is NULL (it will at
>
> least not segfault)
> 2) can you test if the proposed patch in
> https://bugs.winehq.org/show_bug.cgi?id=52761 changes the situation
> TIA

winetricks-test also fails because of c7e87b536edb28bb48162690e0d42c9ba9ccb43c;
with https://bugs.winehq.org/attachment.cgi?id=72131 applied, things work
again.