dropbox: normalise the case for single level directory listings #1165
dropbox: normalise the case for single level directory listings #1165

This should fix directory at a time syncs having strange case.

yonjah/rclone,B4dM4n/rclone,B4dM4n/rclone,seuffert/rclone,yonjah/rclone,yonjah/rclone,seuffert/rclone,yonjah/rclone,B4dM4n/rclone,ncw/rclone,ncw/rclone,ncw/rclone,olihey/rclone,ncw/rclone,B4dM4n/rclone,olihey/rclone,olihey/rclone,seuffert/rclone,seuffert/rclone,olihey/rclone