LU-6142 llite: Fix style issues for namei.c

LU-6142 llite: Fix style issues for namei.c

This patch fixes issues reported by checkpatch
for file lustre/llite/namei.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: Ibf2113a598f7c72879e8068c44e38a4ce41e1774
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54142
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Feng Lei <flei@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>