LU-6142 lfsck: Fix style issues for lfsck_lib.c

LU-6142 lfsck: Fix style issues for lfsck_lib.c

This patch fixes issues reported by checkpatch
for file lustre/lfsck/lfsck_lib.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I10e8d63c36221ffddc2258b54c86d2f64092c0ce
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54215
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>