Fix marker symbolizer. Needs fix in other reference.json's
Fix marker symbolizer. Needs fix in other reference.json's

madeinqc/carto,stefanklug/carto,CartoDB/carto,tomhughes/carto,whitelynx/carto,1ec5/carto,clhenrick/carto,gravitystorm/carto,CartoDB/carto,mapbox/carto,pnorman/carto,midnightcomm/carto