change type of FastTaps option to bool
change type of FastTaps option to bool

Signed-off-by: Peter Hutterer <b9c50af7afa7642f6f854434cda9ffe54ece8b85@redhat.com>
(cherry picked from commit 987fb075dba42d9a282bd918985f02cab101d620)

RsrchBoy/xserver-xorg-input-synaptics,RsrchBoy/xserver-xorg-input-synaptics,philipn/xserver-xorg-input-synaptics,philipn/xserver-xorg-input-synaptics,philipn/xserver-xorg-input-synaptics