[PATCH 0/4] MR5532: mfreadwrite/tests: Tweak tests to run on Win7 and fix some leaks.

[Rémi Bernon]

Split from https://gitlab.winehq.org/wine/wine/-/merge_requests/5459 which is otherwise stalled.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/5532