choose version for handshake on Alice side

libi2pd/NTCP2.cpp

@@ -528,7 +528,8 @@ namespace transport
 				memcpy (m_Establisher->m_IV, addr->i, 16);
 				m_RemoteEndpoint = boost::asio::ip::tcp::endpoint (addr->host, addr->port);
 #if OPENSSL_PQ
-                //m_Establisher->SetVersion (addr->v);
+                if (m_Server.GetVersion () > 2) // we support post quantum in config
+                    m_Establisher->SetVersion (addr->v);
 #endif
 			}
 			else

libi2pd/NTCP2.h

@@ -307,6 +307,7 @@ namespace transport
 
 			void SetLocalAddress (const boost::asio::ip::address& localAddress);
             void SetVersion (int version);
+            int GetVersion () const { return m_Version; }
 
 		private: