LU-6142 lnet: Fix style issues for socklnd_proto.c

LU-6142 lnet: Fix style issues for socklnd_proto.c

This patch fixes issues reported by checkpatch
for files lnet/klnds/socklnd/socklnd_proto.c

Test-Parameters: trivial testlist=sanity-lnet
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: Ie1eff17d3287dc5f844f2deba62a6f6ca4a02b4a
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55826
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: jsimmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>