This reverts commit f04fe06ae2.
dixLookupWindow no longer returns BadMatch. No other caller was checking
for it, so this problem is now fixed in the utility function.
Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>