FIX Ensure a sort dir is set correctly
FIX Ensure a sort dir is set correctly

stephenmcm/silverstripe-solr,stephenmcm/silverstripe-solr,stephenmcm/silverstripe-solr,nyeholt/silverstripe-solr,stephenmcm/silverstripe-solr,nyeholt/silverstripe-solr,nyeholt/silverstripe-solr,nyeholt/silverstripe-solr