fix SSU2 introducers selection logic

libi2pd/SSU2.cpp

@@ -730,8 +730,8 @@ namespace transport
 		{
 			if (s.second->IsEstablished () && (s.second->GetRelayTag () && !s.second->IsOutgoing ()) &&	
 			    !excluded.count (s.second->GetRemoteIdentity ()->GetIdentHash ()) &&
-			    ((v4 && (s.second->GetRemoteTransports () | i2p::data::RouterInfo::eSSU2V4)) || 
-			     (!v4 && (s.second->GetRemoteTransports () | i2p::data::RouterInfo::eSSU2V6))))
+			    ((v4 && (s.second->GetRemoteTransports () & i2p::data::RouterInfo::eSSU2V4)) ||
+			     (!v4 && (s.second->GetRemoteTransports () & i2p::data::RouterInfo::eSSU2V6))))
 				ret.push_back (s.second);
 		}	
 		if ((int)ret.size () > maxNumIntroducers)