wayland: Attach cursor buffer to input device when it enters the surface
wayland: Attach cursor buffer to input device when it enters the surface

The Wayland semantics mean that we must attach a buffer to the input device
when the pointer enters the surface to provide a cursor.

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