stats: use appropriate Lock func's
stats: use appropriate Lock func's

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