llists-move-llist_reverse_order-from-raid5-to-llistc-fix

fix comment typo, per Jan

Cc: Christoph Hellwig <[e-mail]>
Cc: Jan Kara <[e-mail]>
Cc: Jens Axboe <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

lib/llist.c

···
  * llist_reverse_order - reverse order of a llist chain
  * @head:	first item of the list to be reversed
  *
- * Reverse the oder of a chain of llist entries and return the
+ * Reverse the order of a chain of llist entries and return the
  * new first entry.
  */
 struct llist_node *llist_reverse_order(struct llist_node *head)