winepulse.drv: Avoid casting a COM object to an interface.

[Andrew Eikum]

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>

On Wed, Nov 23, 2016 at 11:57:40AM +0100, Michael Stefaniuc wrote:
> Signed-off-by: Michael Stefaniuc <mstefani at redhat.de>
> ---
>  dlls/winepulse.drv/mmdevdrv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/dlls/winepulse.drv/mmdevdrv.c b/dlls/winepulse.drv/mmdevdrv.c
> index f6d05d9..f6946ce 100644
> --- a/dlls/winepulse.drv/mmdevdrv.c
> +++ b/dlls/winepulse.drv/mmdevdrv.c
> @@ -981,7 +981,7 @@ HRESULT WINAPI AUDDRV_GetAudioEndpoint(GUID *guid, IMMDevice *dev, IAudioClient
>      for (i = 0; i < PA_CHANNELS_MAX; ++i)
>          This->vol[i] = 1.f;
>  
> -    hr = CoCreateFreeThreadedMarshaler((IUnknown*)This, &This->marshal);
> +    hr = CoCreateFreeThreadedMarshaler((IUnknown*)&This->IAudioClient_iface, &This->marshal);
>      if (hr) {
>          HeapFree(GetProcessHeap(), 0, This);
>          return hr;
> -- 
> 2.7.4
> 
>