box: fix RangeOption support in Open #1825
box: fix RangeOption support in Open #1825

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