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

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

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

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.super@gmail.com>
Change-Id: Ieee60565e5332a1546999e6c8edaffc833074271
Reviewed-on: https://review.whamcloud.com/35823
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Shaun Tancheff <stancheff@cray.com>
Reviewed-by: Petros Koutoupis <pkoutoupis@cray.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>