[Bug 43850] Wine error with newest mesa driver

https://bugs.winehq.org/show_bug.cgi?id=43850

--- Comment #3 from Henri Verbeet  ---
(In reply to Sebastian Lackner from comment #2)
> Now that all patents have expired it should no longer be a problem to
> implement it directly in Wine.

Legally, yes. It doesn't make it any more desirable to reimplement it inside
Wine while we could use an external library though.