d3dx9_36: Fix uninitialized variable warnings.

[Matteo Bruni]

2011/4/26 Nicolas Le Cam <niko.lecam at gmail.com>:
> msdn tells us to use 0 to disable colorkey [1]. Let me know if you
> think it isn't the correct things to do.
>
> [1] http://msdn.microsoft.com/en-us/library/bb172902%28v=vs.85%29.aspx
>
> --
> Nicolas Le Cam
>

Argh, this was already spotted by Gerald Pfeifer some time ago and I
told him I was going to send a patch, which didn't happen yet...
I'm sending it now (I prefer to fix this in a different way), assuming
your patch wasn't already committed by AJ.