[5/5] gdiplus: Implement GdipImageSelectActiveFrame.

[Vincent Povirk]

> +    hr = IStream_Clone(image->stream, &stream);
> +    if (FAILED(hr))

That's odd. When does that happen?

> +    if (stat == Ok)
> +    {
> +        memcpy(&new_image->format, &codec->info.FormatID, sizeof(GUID));
> +        free_image_data(image);
> +        if (image->type == ImageTypeBitmap)
> +            *(GpBitmap *)image = *(GpBitmap *)new_image;
> +        else if (image->type == ImageTypeMetafile)
> +            *(GpMetafile *)image = *(GpMetafile *)new_image;
> +        return Ok;
> +    }

Why did you re-implement move_bitmap() ?