RE: [2/5] wined3d: baseShader.functionLength should be 0 when a NULL pFunction is passed.

[Stefan Dösinger]

> I'm not completely sure, but probably not. I'd like to get rid of this
> check, but these patches are really just preparation for the 5th patch
> in this series. I know there are other places where we check for a
> NULL pFunction (including use_vs()), I'd like to remove those all at
> once.
Fair enough