RTL land use mavlink critical and log when starting landing

src/modules/navigator/rtl.cpp

@@ -254,7 +254,7 @@ RTL::set_rtl_item()
 			_mission_item.autocontinue = true;
 			_mission_item.origin = ORIGIN_ONBOARD;
 
-			mavlink_and_console_log_info(_navigator->get_mavlink_log_pub(), "RTL: land at home");
+			mavlink_log_critical(_navigator->get_mavlink_log_pub(), "RTL: land at home");
 			break;
 		}