Fixed part settings updating

src/slic3r/GUI/Plater.hpp

@@ -123,7 +123,7 @@ public:
     void export_amf();
     void export_3mf();
     void reslice();
-    void changed_object_settings(int obj_idx);
+    void changed_object(int obj_idx);
     void send_gcode();
 
     void on_extruders_change(int extruders_count);