[01/18] windowscodecs: Do not assume that vtable is the first element of the object.

[Dmitry Timoshkov]

Michael Stefaniuc <mstefani at redhat.com> wrote:

> > @@ -102,7 +104,7 @@ static HRESULT WINAPI BmpFrameDecode_QueryInterface(IWICBitmapFrameDecode *iface
> >          IsEqualIID(&IID_IWICBitmapSource, iid) ||
> >          IsEqualIID(&IID_IWICBitmapFrameDecode, iid))
> >      {
> > -        *ppv = iface;
> > +        *ppv = &This->IWICBitmapFrameDecode_iface;
> >      }
> >      else
> >      {
> this part of the change is gratuitous. As long as there is only one
> interface implementation in the object there is no need for impl_from_Foo().

That's for consistency with other places, so if/when a new interface is
going to be added it's obvious for an implementror what to do.

Thanks for the review.

-- 
Dmitry.