fix non-flann filters.index
fix non-flann filters.index

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