btrfs: fix comment typos

Convert 'hepler' to 'helper'.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Liu Bo 2012-12-26 15:32:17 +08:00 • committed by Jiri Kosina
commit 2c016dc2cb
2 changed files with 5 additions and 5 deletions