ENH: Handled factor=1 special case in GDALOverviewsBuilder::CountResolutions() and ::ListResolutions().
ENH: Handled factor=1 special case in GDALOverviewsBuilder::CountResolutions() and ::ListResolutions().

orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB,orfeotoolbox/OTB