Re: [PATCH v3 0/3] MR9373: dmusic,dmsynth: Reduce memory usage part 2

[Anton Baskanov (＠baskanov)]

v3:
- Don't pass the unload callback to `IDirectMusicSynth_Unload()` when `can_free` is TRUE.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9373#note_120988