fixed crash when trying to load a coshader array parameter that's actually a compound plug
fixed crash when trying to load a coshader array parameter that's actually a compound plug

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