Re: [PATCH v6 0/10] MR2669: wine{alsa,coreaudio,oss,pulse}: Move AudioSessionControl into mmdevapi.

[Huw Davies (＠huw)]

Huw Davies (@huw) commented about dlls/winealsa.drv/mmdevdrv.c:
> static ULONG WINAPI SimpleAudioVolume_AddRef(ISimpleAudioVolume *iface)
>  {
>      AudioSessionWrapper *This = impl_from_ISimpleAudioVolume(iface);
> - return AudioSessionControl_AddRef(&This->IAudioSessionControl2_iface);
> - return AudioSessionControl2_Vtbl.AddRef(&This->IAudioSessionControl2_iface);

This (and similar changes below and in the next three commits) should use the `IAudioSessionControl2_AddRef()` macro (or similar).  These macro changes could be done in advance in a separate MR.