GafferAppleseed: updated cxx flags
GafferAppleseed: updated cxx flags

andrewkaufman/gaffer,chippey/gaffer,hradec/gaffer,hradec/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,hradec/gaffer,chippey/gaffer,chippey/gaffer,ImageEngine/gaffer,boberfly/gaffer,lucienfostier/gaffer,boberfly/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,ImageEngine/gaffer,boberfly/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer,hradec/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,appleseedhq/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,boberfly/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,hradec/gaffer,chippey/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,ivanimanishi/gaffer,appleseedhq/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer