LU-6142 osd-ldiskfs: Fix style issues for osd_iam_lfix.c

LU-6142 osd-ldiskfs: Fix style issues for osd_iam_lfix.c

This patch fixes issues reported by checkpatch
for file lustre/osd-ldiskfs/osd_iam_lfix.c

Change-Id: I9d32231e397689dd3806fecf106bc1ce2f1439a4
Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Reviewed-on: https://review.whamcloud.com/32849
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>