MANTA-970 mtee/msplit should not be forking child processes: fixing when rIdx is 0
MANTA-970 mtee/msplit should not be forking child processes: fixing when rIdx is 0

davepacheco/manta-marlin,joyent/manta-marlin,joyent/manta-marlin,joyent/manta-marlin,davepacheco/manta-marlin,davepacheco/manta-marlin