change static constexpr inside struct to constexpr outside struct to please gcc
change static constexpr inside struct to constexpr outside struct to please gcc

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