Get rid of almost all uses of these definitions. They're still defined for
delinquent out-of-tree drivers, and also for the Mesa build. As well as
for miinitext.c. But largely gone.
Attempt to build xeglmodule.c, not xglxmodule.c.
Add xf86Sbus.h to EXTRA_DIST, as _HEADERS doesn't appear to get the same
treatment as _SOURCES in terms of automatically DISTing.
miinitext in the XGL case. Prevents mismatched structure sizes on my
_XSERVER64 machine. At this point, with the uncommitted render/ diffs,
Xglx starts up but displays badly.
building within the xorg server tree. Requires additional, uncommitted
dix changes to successfully build, and successful running is still yet
to happen.
