[PATCH] xfs_repair: correct docs for "-t" units

[Rich Johnston]

This has been committed.

Thanks
--Rich

commit 79e106f05f0fbffb89ab5401fb97af5391c6291f
Author: Eric Sandeen <sandeen at redhat.com>
Date:   Thu Nov 14 20:38:08 2013 +0000

     xfs_repair: correct docs for "-t" units