Method CleanupUDP

libi2pd_client/ClientContext.cpp:1077–1085

	}

	void ClientContext::CleanupUDP(const boost::system::error_code & ecode)
	{
		if(!ecode)
		{
			std::lock_guard<std::mutex> lock(m_ForwardsMutex);
			for (auto & s : m_ServerForwards ) s.second->ExpireStale();
			ScheduleCleanupUDP();
		}
	}

	void ClientContext::VisitTunnels (bool clean)
	{