d3dx9_36: Silence an uninitialized compiler warning (GCC 8).

[Paul Gofman]

On 11/09/2017 11:39 PM, Gerald Pfeifer wrote:
>
> If that works it would be preferable to me too.
> Same here. :-)  Can we go with your patch, Paul?
>
> Thanks,
> Gerald
>
Yes, sure, you can use it any way you like.