[PATCH v2 0/2] MR6656: winex11: Avoid leaking window data on thread detach.

[Rémi Bernon]

Should help https://gitlab.winehq.org/wine/wine/-/merge_requests/6649 as well, to avoid leaking parent window either.

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  v2: winex11: Avoid leaking window data on thread detach.
      winex11: Destroy the window data outside of the global window lock.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/6656