fixed race condition

SSU.cpp

@@ -690,6 +690,11 @@ namespace ssu
 	}	
 
 	void SSUSession::SendI2NPMessage (I2NPMessage * msg)
+	{
+		m_Server.GetService ().post (boost::bind (&SSUSession::PostI2NPMessage, this, msg));    
+	}	
+
+	void SSUSession::PostI2NPMessage (I2NPMessage * msg)
 	{
 		if (msg)
 		{	
@@ -698,8 +703,8 @@ namespace ssu
 			else
 				m_DelayedMessages.push_back (msg);
 		}	
-	}	
-	
+	}		
+		
 	void SSUSession::ProcessData (uint8_t * buf, size_t len)
 	{
 		m_Data.ProcessMessage (buf, len);

SSU.h

@@ -81,6 +81,7 @@ namespace ssu
 
 			void CreateAESandMacKey (const uint8_t * pubKey); 
 
+			void PostI2NPMessage (I2NPMessage * msg);
 			void ProcessMessage (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint); // call for established session
 			void ProcessSessionRequest (uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint);
 			void SendSessionRequest ();