dsound: Avoid casts from COM object to interface. (v2)

[Andrew Eikum]

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

On Fri, Dec 09, 2016 at 04:10:05PM +0100, Michael Stefaniuc wrote:
> Signed-off-by: Michael Stefaniuc <mstefani at redhat.de>
> ---
> v2: Don't change the order of assigment and AddRef.
> 
> 
> 
>  dlls/dsound/dsound.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/dlls/dsound/dsound.c b/dlls/dsound/dsound.c
> index 43b252d..e8c10a7 100644
> --- a/dlls/dsound/dsound.c
> +++ b/dlls/dsound/dsound.c
> @@ -452,8 +452,8 @@ static HRESULT DirectSoundDevice_CreateSoundBuffer(
>  
>          if (device->primary) {
>              WARN("Primary Buffer already created\n");
> -            IDirectSoundBuffer_AddRef((LPDIRECTSOUNDBUFFER8)(device->primary));
> -            *ppdsb = (LPDIRECTSOUNDBUFFER)(device->primary);
> +            IDirectSoundBuffer8_AddRef(&device->primary->IDirectSoundBuffer8_iface);
> +            *ppdsb = (IDirectSoundBuffer *)&device->primary->IDirectSoundBuffer8_iface;
>          } else {
>              hres = primarybuffer_create(device, &device->primary, dsbd);
>              if (device->primary) {
> -- 
> 2.7.4
> 
>