Fix delete command to wait until all finished - fixes missing deletes.
Fix delete command to wait until all finished - fixes missing deletes.

This also could affect deletes at the end of the sync command.

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