delete stream in destination's thread

Destination.cpp

@@ -186,6 +186,9 @@ namespace stream
 			if (it != m_Streams.end ())
 			{	
 				m_Streams.erase (it);
+				if (m_Service)
+					m_Service->post ([stream](void) { delete stream; }); 
+				else
 					delete stream;
 			}	
 		}	

Streaming.cpp

@@ -201,6 +201,7 @@ namespace stream
 			m_IsReset = true;
 			m_ReceiveTimer.cancel ();
 			m_ResendTimer.cancel ();
+			m_AckSendTimer.cancel ();
 		}
 	}