gdiplus: Implement trivial case of GdipCreateRegionRgnData for empty and infinite regions

[Nikolay Sivov]

On 09.06.2015 6:24, Vincent Povirk wrote:
> +    if (region_header->magic != VERSION_MAGIC)
> +        return InvalidParameter;
>
> We should probably accept 0xdbc01002 as well here.
>

Oh, right, will resend. Thank you.