get rid of cursorScreenDevPriv
We have two ddx'es (xnest and xfree86) using the same, globally (dix-)defined, privates-key for different things. that's a very unrobust coding style, so clean it up.
We have two ddx'es (xnest and xfree86) using the same, globally (dix-)defined, privates-key for different things. that's a very unrobust coding style, so clean it up.