Values printed by zpool-iostat(8) should be right-aligned
This inappropriate left-alignment was introduced in 7bb7b1f.
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: WHR <msl0000023508@gmail.com>
Closes #14751