swift: don't read metadata for directory marker objects - fixes #703
swift: don't read metadata for directory marker objects - fixes #703

ncw/rclone,yonjah/rclone,olihey/rclone,arcimboldo/rclone,jackschmidt/rclone,B4dM4n/rclone,olihey/rclone,ncw/rclone,olihey/rclone,arcimboldo/rclone,B4dM4n/rclone,B4dM4n/rclone,kynikos/rclone,yonjah/rclone,jackschmidt/rclone,ncw/rclone,seuffert/rclone,yonjah/rclone,seuffert/rclone,arcimboldo/rclone,olihey/rclone,seuffert/rclone,kynikos/rclone,kynikos/rclone,yonjah/rclone,jackschmidt/rclone,B4dM4n/rclone,jackschmidt/rclone,seuffert/rclone,arcimboldo/rclone,kynikos/rclone,ncw/rclone