Work around broken VS compiler.
Work around broken VS compiler.

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