use unique_ptr for socket in I2PTunnelConnection

I2PTunnel.cpp

@@ -33,7 +33,6 @@ namespace client
 
 	I2PTunnelConnection::~I2PTunnelConnection ()
 	{
-		delete m_Socket;
 	}	
 
 	void I2PTunnelConnection::I2PConnect (const uint8_t * msg, size_t len)

I2PTunnel.h

@@ -49,7 +49,7 @@ namespace client
 		private:
 
 			uint8_t m_Buffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE], m_StreamBuffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE];
-			boost::asio::ip::tcp::socket * m_Socket;
+			std::unique_ptr<boost::asio::ip::tcp::socket> m_Socket;
 			std::shared_ptr<i2p::stream::Stream> m_Stream;
 			boost::asio::ip::tcp::endpoint m_RemoteEndpoint;
 			bool m_IsQuiet; // don't send destination