docs: Fix the Animation:object property
docs: Fix the Animation:object property

There is a typo in the Animation:object property gtk-doc declaration.

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