Re: [PATCH 0/4] MR2626: wine{alsa,coreaudio,oss,pulse}: Move common mmdevdrv structs into mmdevapi.

[Huw Davies (＠huw)]

Huw Davies (@huw) commented about dlls/mmdevapi/mmdevdrv.h:
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> +typedef struct ACImpl ACImpl;

It would nice to start using structure tags that aren't CamelCase and eventually ditch the typedefs.

```suggestion:-0+0
typedef struct audio_client ACImpl;
```
This will allow existing code to use `ACImpl`, but as you move code to mmdevapi it could transistion to `struct audio_client`.