wined3d: fix memcpy with wrong size parameter to simple assignment in GetScissorRect

[Stefan Dösinger]

Am Mittwoch, 13. Februar 2008 21:58:39 schrieb Rico Schüller:
> Hi,
>
> this fixes the GetScissorRect function in wined3d. This is required for
> the game Gothic3 where the misbehavior is seen.
The patch looks ok to me