wasapi: Don't call AvRevertMMThreadCharacteristics if AvSetMMThreadCharacteristics failed.
wasapi: Don't call AvRevertMMThreadCharacteristics if AvSetMMThreadCharacteristics failed.

kinetiknz/cubeb,padenot/cubeb,kinetiknz/cubeb,padenot/cubeb,padenot/cubeb,kinetiknz/cubeb