break circular reference

Destination.cpp

@@ -700,12 +700,19 @@ namespace client
 		{
 			m_ReadyChecker.cancel();
 			m_StreamingDestination->Stop ();
+			m_StreamingDestination->SetOwner (nullptr);
 			m_StreamingDestination = nullptr;
 			for (auto& it: m_StreamingDestinationsByPorts)
+			{	
 				it.second->Stop ();
+				it.second->SetOwner (nullptr);
+			}
+			m_StreamingDestinationsByPorts.clear ();
 			if (m_DatagramDestination)
+			{	
 				delete m_DatagramDestination;
 				m_DatagramDestination = nullptr;
+			}	
 		  	return true;
 		}
 		else

Streaming.h

@@ -224,6 +224,7 @@ namespace stream
 			void ResetAcceptor ();
 			bool IsAcceptorSet () const { return m_Acceptor != nullptr; };	
 			std::shared_ptr<i2p::client::ClientDestination> GetOwner () const { return m_Owner; };
+			void SetOwner (std::shared_ptr<i2p::client::ClientDestination> owner) { m_Owner = owner; };
 			uint16_t GetLocalPort () const { return m_LocalPort; };
 
 			void HandleDataMessagePayload (const uint8_t * buf, size_t len);