evdev: Set missing dx/dy fields on ClutterTouchpadPinchEvents
evdev: Set missing dx/dy fields on ClutterTouchpadPinchEvents

Distrotech/clutter,Distrotech/clutter,Distrotech/clutter,Distrotech/clutter,GNOME/clutter,jigpu/clutter,Distrotech/clutter,jigpu/clutter,GNOME/clutter,jigpu/clutter,jigpu/clutter,GNOME/clutter,jigpu/clutter,Distrotech/clutter,GNOME/clutter,jigpu/clutter,GNOME/clutter