clean up cast alignment warnings by reinterpret_cast'ing the pointers to the appropriate type
clean up cast alignment warnings by reinterpret_cast'ing the pointers to the appropriate type

jwomeara/PDAL,radiantbluetechnologies/PDAL,radiantbluetechnologies/PDAL,DougFirErickson/PDAL,mpgerlek/PDAL-old,mtCarto/PDAL,lucadelu/PDAL,jwomeara/PDAL,Sciumo/PDAL,jwomeara/PDAL,mtCarto/PDAL,boundlessgeo/PDAL,boundlessgeo/PDAL,mtCarto/PDAL,DougFirErickson/PDAL,radiantbluetechnologies/PDAL,boundlessgeo/PDAL,Sciumo/PDAL,mpgerlek/PDAL-old,DougFirErickson/PDAL,mpgerlek/PDAL-old,Sciumo/PDAL,Sciumo/PDAL,lucadelu/PDAL,mtCarto/PDAL,mpgerlek/PDAL-old,jwomeara/PDAL,radiantbluetechnologies/PDAL,boundlessgeo/PDAL,lucadelu/PDAL,lucadelu/PDAL,DougFirErickson/PDAL