xfixes: Rename enum DirectionMask to BarrierDirec.
xfixes: Rename enum DirectionMask to BarrierDirec.

Rename the enum 'DirectionMask' to 'BarrierDirections' to match the
specification.

Signed-off-by: Daniel Martin <5ae2633454ceb931c1fd86ffad586b4dfc721833@gmail.com>
Signed-off-by: Peter Harris <859d2524afe9d1b926cf5c02089ad1cbab640cc0@opentext.com>

nbaum/xcb-proto,nbaum/xcb-proto