RE: [2/5] WineD3D: Get rid of last_was_foggy_shader & friends

[Stefan Dösinger]

> visual.c:1540: Test succeeded inside todo block: fog vs1 ps0 fvm0 ftm0
> 0: got color 0000ff00, expected 0000ff00 +-5%(todo)
I thought I added an exception for this case, where the wrong calculation gets 
lucky and produces the right result. Well, I'll double-check