cogl-texture: Remove return in void functions
cogl-texture: Remove return in void functions

http://bugzilla.o-hand.com/show_bug.cgi?id=1929

Signed-off-by: Emmanuele Bassi <049ee2061f71220e5aaf33f5be422fc2a2b06a44@linux.intel.com>

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