NS_ADDREF(*aIncomingServer);
NS_IF_ADDREF(*aIncomingServer);
nsMsgAccount::GetIncomingServer(nsIMsgIncomingServer * *aIncomingServer){  if (!aIncomingServer) return NS_ERROR_NULL_POINTER;  nsresult rv = NS_OK;  // create the incoming server lazily  if (!m_incomingServer) {    rv = createIncomingServer();    if (NS_FAILED(rv)) return rv;  }    if (NS_FAILED(rv)) return rv;  if (!m_incomingServer) return NS_ERROR_UNEXPECTED;    *aIncomingServer = m_incomingServer;  NS_ADDREF(*aIncomingServer);  return NS_OK;}