The upstream init script uses SIGUSR2 to terminate that daemon because
SIGTERM is ignored. As the killproc function does not support specifying
a signal, switch to start-stop-daemon. Drop the retry loop because
SIGUSR2 is lethal for agent.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Javier Viguera <javier.viguera@digi.com> Signed-off-by: Armin Kuster <akuster808@gmail.com>
