Fix memory leak on early return from send_packet_out.
Fix memory leak on early return from send_packet_out.

Change-Id: Ia35a4e1e60c282286ae581585617e83bfa368531
Signed-off-by: Rob Adams <dc34e1981fc17062c98433ad1bfcab20a4e3a66c@readams.net>

opendaylight/opflex,opendaylight/opflex,opendaylight/opflex,opendaylight/opflex