[PATCH v2 0/5] MR3922: dmloader: Simplify loader stream implementation.

[Rémi Bernon (＠rbernon)]

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  v2: dmloader: Get rid of the custom generic stream wrapper.
      dmloader: Introduce a new loader_stream_create helper.
      dmloader: Initialize ref to 1, and release after QueryInterface.
      dmloader: Get rid of the IDirectMusicLoaderImpl typedef.
      dmloader: Rename IDirectMusicLoaderImpl method prefix to loader.

https://gitlab.winehq.org/wine/wine/-/merge_requests/3922