ocfs2: fix a typo in a comment

s/heartbaet/heartbeat

Link: https://lkml.kernel.org/r/4d4a6786e8ad522bfad6d2401b7f6634f8af0e5d.1658436259.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

fs/ocfs2/heartbeat.c

@@ -2,7 +2,7 @@
 /*
  * heartbeat.c
  *
- * Register ourselves with the heartbaet service, keep our node maps
+ * Register ourselves with the heartbeat service, keep our node maps
  * up to date, and fire off recovery when needed.
  *
  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.