Relative valuator values should not be reported in any future events. If
a relative valuator value is not set in an internal event, set the value
to 0 for XI 1.x valuator events sent over the wire.
Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Simon Thum <simon.thum@gmx.de>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>