Fixed GafferOSL to be built by default.
Fixed GafferOSL to be built by default.

boberfly/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,goddardl/gaffer,lucienfostier/gaffer,ivanimanishi/gaffer,chippey/gaffer,ImageEngine/gaffer,boberfly/gaffer,chippey/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,davidsminor/gaffer,cedriclaunay/gaffer,andrewkaufman/gaffer,hradec/gaffer,cedriclaunay/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,goddardl/gaffer,ImageEngine/gaffer,davidsminor/gaffer,lucienfostier/gaffer,boberfly/gaffer,cedriclaunay/gaffer,davidsminor/gaffer,lucienfostier/gaffer,paulondc/gaffer,boberfly/gaffer,goddardl/gaffer,johnhaddon/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,paulondc/gaffer,chippey/gaffer,paulondc/gaffer,cedriclaunay/gaffer,ivanimanishi/gaffer,paulondc/gaffer,lucienfostier/gaffer,davidsminor/gaffer,appleseedhq/gaffer,ivanimanishi/gaffer,hradec/gaffer,hradec/gaffer,chippey/gaffer,hradec/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,goddardl/gaffer,hradec/gaffer,appleseedhq/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer