LU-6142 lod: Fix style issues for lod_dev.c

LU-6142 lod: Fix style issues for lod_dev.c

This patch fixes issues reported by checkpatch for file
lustre/lod/lod_dev.c

Lustre-change: https://review.whamcloud.com/33594
Lustre-commit: 263401f804eb108da2b09ba95bbd441857281c95

Change-Id: I72eaa79a12769e61889e567e5f28fdf3e8045c94
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Signed-off-by: Minh Diep <mdiep@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/34452
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>