Bug fix caught by build server related to LinearConstraints as costs.
Bug fix caught by build server related to LinearConstraints as costs.

scottviteri/drake,manuelli/drake,crogers3/drake,thientu/drake,astrorog/drake,tkoolen/drake,hanssusilo/drake,hanssusilo/drake,sheim/drake,psiorx/drake,manuelli/drake,crogers3/drake,crogers3/drake,hanssusilo/drake,psiorx/drake,billhoffman/drake,edowson/drake,manuelli/drake,sheim/drake,astrorog/drake,psiorx/drake,crogers3/drake,scottviteri/drake,psiorx/drake,edowson/drake,billhoffman/drake,hanssusilo/drake,thientu/drake,edowson/drake,edowson/drake,edowson/drake,thientu/drake,hanssusilo/drake,astrorog/drake,billhoffman/drake,sheim/drake,billhoffman/drake,thientu/drake,astrorog/drake,crogers3/drake,thientu/drake,tkoolen/drake,astrorog/drake,tkoolen/drake,psiorx/drake,manuelli/drake,manuelli/drake,scottviteri/drake,thientu/drake,tkoolen/drake,scottviteri/drake,tkoolen/drake,psiorx/drake,edowson/drake,hanssusilo/drake,manuelli/drake,scottviteri/drake,sheim/drake,crogers3/drake,hanssusilo/drake,sheim/drake,sheim/drake,astrorog/drake,tkoolen/drake,edowson/drake,crogers3/drake,edowson/drake,thientu/drake,sheim/drake,psiorx/drake,billhoffman/drake,psiorx/drake,tkoolen/drake,hanssusilo/drake,manuelli/drake,billhoffman/drake,scottviteri/drake,scottviteri/drake,billhoffman/drake,crogers3/drake,sheim/drake,astrorog/drake,billhoffman/drake