LU-6142 utils: Fix style issues for portals.c

LU-6142 utils: Fix style issues for portals.c

This patch fixes issues reported by checkpatch
for file lustre/utils/portals.c

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Change-Id: I97eb576fe12a75e26d36dcf2228d5f161712e3e5
Reviewed-on: https://review.whamcloud.com/38362
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Reviewed-by: Ben Evans <beevans@whamcloud.com>
Reviewed-by: Petros Koutoupis <petros.koutoupis@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>