LU-6142 osc: Fix style issues for osc_request.c

LU-6142 osc: Fix style issues for osc_request.c

This patch fixes issues reported by checkpatch
for file lustre/osc/osc_request.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I81bc9574364b9f6a1daab44bc350dc1ec7296a12
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55348
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>