Animation : minor const related changes.
Animation : minor const related changes.

GafferHQ/gaffer,GafferHQ/gaffer,hradec/gaffer,hradec/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,hradec/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,hradec/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,hradec/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer