[1/2] d3drm: Partial implementation for [Add/Delete]Child

[Henri Verbeet]

2012/1/6 André Hentschel <nerv at dawncrow.de>:
> @@ -212,10 +216,15 @@ static HRESULT WINAPI IDirect3DRMFrame2Impl_AddChild(IDirect3DRMFrame2* iface,
>                                                      LPDIRECT3DRMFRAME child)
>  {
>     IDirect3DRMFrameImpl *This = impl_from_IDirect3DRMFrame2(iface);
> +    IDirect3DRMFrameImpl *Frame = impl_from_IDirect3DRMFrame2((LPDIRECT3DRMFRAME2)child);

That looks pretty questionable, but some tests would probably be a
good thing either way.