Add PointerMotionHintMask to fix mouse release.
Add PointerMotionHintMask to fix mouse release.

As suggested by Vincent Pomey:

    "I've found a problem with button release events being delayed of
    several seconds after playing a lot with the mouse. This is fixed by
    adding EventMask.PointerMotionHintMask to the AddEvents call."

Sanva/f-spot,dkoeb/f-spot,NguyenMatthieu/f-spot,Sanva/f-spot,mans0954/f-spot,mono/f-spot,Yetangitu/f-spot,nathansamson/F-Spot-Album-Exporter,mono/f-spot,mans0954/f-spot,GNOME/f-spot,mono/f-spot,mans0954/f-spot,NguyenMatthieu/f-spot,NguyenMatthieu/f-spot,Sanva/f-spot,GNOME/f-spot,GNOME/f-spot,Sanva/f-spot,NguyenMatthieu/f-spot,mans0954/f-spot,nathansamson/F-Spot-Album-Exporter,Yetangitu/f-spot,dkoeb/f-spot,mans0954/f-spot,mans0954/f-spot,mono/f-spot,GNOME/f-spot,dkoeb/f-spot,GNOME/f-spot,nathansamson/F-Spot-Album-Exporter,dkoeb/f-spot,NguyenMatthieu/f-spot,dkoeb/f-spot,Yetangitu/f-spot,Sanva/f-spot,Yetangitu/f-spot,nathansamson/F-Spot-Album-Exporter,Yetangitu/f-spot,mono/f-spot,dkoeb/f-spot,mono/f-spot