LU-6142 lfsck: Fix style issues under lustre/lfsck

LU-6142 lfsck: Fix style issues under lustre/lfsck

This patch fixes issues reported by checkpatch
for all files under folder lustre/lfsck

Test-Parameters: trivial testlist=sanity-lfsck
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I7fed1e66f82c691d94198390ad89e91db9bfcdea
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54165
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>