xtoq: Error fixed in translation of X server to OS X coordinates.
xtoq: Error fixed in translation of X server to OS X coordinates.

Fixed error in translation of X server coordinates to OS X
coordinates. Windows were being reported at incorect positions.

Signed-off-by: Jess VanDerwalker <washu@sonic.net>

Reviewed-by: Jeremy Huddleston Sequoia <db3cec0cba09acb9cf8fd8bd399a3b27498cf883@apple.com>

freedesktop-unofficial-mirror/xorg__lib__libxcwm,freedesktop-unofficial-mirror/xorg__lib__libxcwm