wined3d: have SetAutoGenFilterType call glHint

[Joerg-Cyril.Hoehle at t-systems.com]

Hi,

This fixes bug #11167. It depends on my previous patch.

One unclear issue about glHint() is the scope.
What textures does it affect? When?

An alternative would be, as Stefan Dösinger puts it: "just check if
the app ever sets two contradicting filter types" but I don't know how
"global" the effect of glHint() is (per UNIX process, per .exe,
per GL context, per active texture, per ...)?

Another alternative would be to replace SetAutoGen with just a FIXME
to at least get rid of the bogus >>>>>> glTexParameter call.

Regards,
	Jörg Höhle
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