[PATCH] ddraw: Return a nullpointer as lpSurface in Lock() if the rect is invalid.

[H. Verbeet]

On 03/01/2008, Günther Brammer <GBrammer at gmx.de> wrote:
> +            ok(!locked_desc.lpSurface, "IDirectDrawSurface_Lock did not set lpSurface in the surface desc\n");
>
That isn't the clearest message. It should probably say it didn't set
lpSurface to NULL.