found offending change which caused compiler issues on mac.  not actually sure why
found offending change which caused compiler issues on mac.  not actually sure why

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