osx fix

I2PTunnel.cpp

@@ -546,7 +546,7 @@ namespace client
   }
 
   UDPSession::UDPSession(boost::asio::io_service & ios, boost::asio::ip::udp::endpoint localEndpoint, const std::shared_ptr<i2p::client::ClientDestination> & localDestination, boost::asio::ip::udp::endpoint endpoint, const i2p::data::IdentHash to, uint16_t ourPort, uint16_t theirPort) :
-    m_Destination(localDestination),
+    m_Destination(localDestination.get()),
     IPSocket(ios, localEndpoint),
     Identity(to),
     SendEndpoint(endpoint),

I2PTunnel.h

@@ -140,7 +140,7 @@ namespace client
   
   struct UDPSession
   {
-    std::shared_ptr<i2p::client::ClientDestination> m_Destination;
+    i2p::client::ClientDestination * m_Destination;
     boost::asio::ip::udp::socket IPSocket;
     i2p::data::IdentHash Identity;
     boost::asio::ip::udp::endpoint FromEndpoint;