wined3d: Report the correct number of available 4-component float vectors for GLSL

[H. Verbeet]

On 03/10/06, Mirek <thunder.m at czela.net> wrote:
> This patch caused regresion in Half-Life 2 Episode One, if i have
> "UseGLSL"="enabled" HalfLife 2 Episode One crash about 20 seconds after
> start and menu page is completly white! Only the second part (second
> gl_max /= 4;) is the bad one, with first part evrything works well.
>
> Mirek
Yes, we found that out today on IRC as well. The unfortunate part is
that it appears this is in fact a driver bug in older nVidia drivers,
which that code apparently relied upon. Reverting the patch would make
the old drivers work again, but would break the newer (correct)
drivers.