[PATCH 0/1] MR6229: winegstreamer/quartz_parser: Handle 0 size in read_thread.

[Ziqing Hui (＠zhui)]

Calling IAsyncReader_SyncRead() with 0 size may fails, but
we should not return error with 0 size, so we handle it earlier.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6229