Turn off updating for that the unselect and select and then turns it
on for the focus call, this results in 1 edit notify being sent at the
end of the operation.

Use unicode version of DefWindowProc in unicode window procs.
Fix window styles.

This should avoid some extra work on platforms that need the
try_mmap_fixed function.

Screwed up a copy/paste from one of my recent patches.  This
eliminates the erroneous FIXME for calls to D3DFmtMakeGlCfg() with 0
as the Stencil format.  Also, it changes the FIXME to print the
correct variable.