adding missing comma
adding missing comma

mozilla/MozDef,mpurzynski/MozDef,mpurzynski/MozDef,mozilla/MozDef,jeffbryner/MozDef,jeffbryner/MozDef,mpurzynski/MozDef,mpurzynski/MozDef,mozilla/MozDef,jeffbryner/MozDef,jeffbryner/MozDef,mozilla/MozDef