Letting compiler choose implicit LLSD conversions fixes fatal Linux gcc warnings

indra/newview/llagentlistener.cpp

@@ -45,7 +45,7 @@ void LLAgentListener::requestTeleport(LLSD const & event_data) const
 	}
 	else
 	{
-		std::string url = LLSLURL::buildSLURL(event_data["regionname"].asString(), event_data["x"].asReal(), event_data["y"].asReal(), event_data["z"].asReal());
+		std::string url = LLSLURL::buildSLURL(event_data["regionname"], event_data["x"], event_data["y"], event_data["z"]);
 		LLURLDispatcher::dispatch(url, NULL, false);
 	}
 }