osx: Fixed warnings in osx event implementation
osx: Fixed warnings in osx event implementation

nobled/clutter,heysion/clutter-clone,djdeath/clutter-multithreaded,dlespiau/clutter,djdeath/clutter-android,heysion/clutter-clone,collects/clutter,djdeath/clutter-android,ebassi/clutter,djdeath/clutter,ebassi/clutter,spatulasnout/clutter,djdeath/clutter,GNOME/clutter,collects/clutter,heysion/clutter-clone,Distrotech/clutter,kerrickstaley/clutter-vala,jigpu/clutter,spatulasnout/clutter,kerrickstaley/clutter-vala,ebassi/clutter,jigpu/clutter,nobled/clutter,Distrotech/clutter,djdeath/clutter-multithreaded,Distrotech/clutter,Distrotech/clutter,jigpu/clutter,ebassi/clutter,djdeath/clutter-android,spatulasnout/clutter,jigpu/clutter,spatulasnout/clutter,collects/clutter,djdeath/clutter-multithreaded,djdeath/clutter,spatulasnout/clutter,GNOME/clutter,Distrotech/clutter,djdeath/clutter-multithreaded,heysion/clutter-clone,kerrickstaley/clutter-vala,heysion/clutter-clone,ebassi/clutter,djdeath/clutter-android,djdeath/clutter,jigpu/clutter,GNOME/clutter,GNOME/clutter,collects/clutter,djdeath/clutter,dlespiau/clutter,Distrotech/clutter,collects/clutter,dlespiau/clutter,jigpu/clutter,kerrickstaley/clutter-vala,nobled/clutter,GNOME/clutter,djdeath/clutter-android,djdeath/clutter