move MAX_DATA_SIZE to anonymous namespace too
move MAX_DATA_SIZE to anonymous namespace too

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