Add XSERV_t, TRANS_SERVER, TRANS_REOPEN to quash warnings.
Add #include <dix-config.h> or <xorg-config.h>, as appropriate, to all
source files in the xserver/xorg tree, predicated on defines of
HAVE_{DIX,XORG}_CONFIG_H. Change all Xfont includes to
<X11/fonts/foo.h>.
(XFree86 Bugzilla #1438, John Heasley). "To fix this, I've added a
mouse buffer (Xisb buffer) "scale" value to the MouseDevPtr type. If
set, it is used as structure size of which we want space for a few."
