Fix lua nil for MacOS
Fix lua nil for MacOS

Project-OSRM/osrm-backend,yuryleb/osrm-backend,yuryleb/osrm-backend,Project-OSRM/osrm-backend,Project-OSRM/osrm-backend,yuryleb/osrm-backend,frodrigo/osrm-backend,frodrigo/osrm-backend,yuryleb/osrm-backend,Project-OSRM/osrm-backend,frodrigo/osrm-backend,frodrigo/osrm-backend