LU-14645 utils: fix API for llapi_sanity_check

LU-14645 utils: fix API for llapi_sanity_check

fix the previous patch which introduced a change in API.

Fixes: 149934fe28 ("LU-14645 utils: setstripe cleanup")
Signed-off-by: Vitaly Fertman <c17818@cray.com>
Change-Id: I43ae6822768ac70c9348af270c17830b13133f8c
Reviewed-on: https://review.whamcloud.com/46151
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Alexander Boyko <alexander.boyko@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>