Correct the inline comment to not include an empty new line at the start
of generated /var/lib/octavia/vrrp/check_script.sh that leads to this
kind of error:
> Aug 26 11:49:32 amphora-12184e15-1ec3-4d80-98a7-c7d1ddb6716f
> Keepalived_vrrp[15265]: Error exec-ing command
> '/var/lib/octavia/vrrp/check_script.sh', error 8: Exec format error
Change-Id: Icddd2873abeb56a389a35356995df6dde70872b2