Fix drag-lock property handler for multiple draglock buttons.

Parsing of the values was wrong. Given an input of 1 2 3 4, button 1 sets
the lock for button 2 and button 3 sets the lock for button 4.

This also means we need to return BadMatch if the property isn't a multiple
of 2.

Red Hat Bug 524428 <https://bugzilla.redhat.com/show_bug.cgi?id=524428>

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
(cherry picked from commit 11669d82790fd7c94c44c0d487d3fa5e203528e9)

0 files changed, 0 insertions, 0 deletions