LU-16929 tests: Fix syntax error under ha.sh

LU-16929 tests: Fix syntax error under ha.sh

Fix bash syntax error under ha.sh/ha_lfsck_repaired

Test-Parameters: trivial
Fixes: 1a7c352e9 ("LU-11504 tests: trigger lfsck after/during failover/failback")
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: Ic31099a9438e1174013843156147cbb3bd98366a
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/51482
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Reviewed-by: Elena <elena.gryaznova@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>