LU-6142 ptlrpc: Fix style issues for sec.c

LU-6142 ptlrpc: Fix style issues for sec.c

This patch fixes issues reported by checkpatch
for file lustre/ptlrpc/sec.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Change-Id: Icfbf23301b8f1b8d21df0e5122c121671997d5eb
Reviewed-on: https://review.whamcloud.com/34597
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>