xdvik and XFree86-4 update

[Mate Wierdl]

OK, so I recompiled teTeX-1.07 against XFree86-4.0.1, and the buttons
are back.  But what a pain.

This also means that RH 7.0 users will not complain since they get a
tetex package which is compiled against the new XFree86.

Mate