(svn r9903) -Fix (r9901): Make the demolish and level land tools work in the scenario editor again.

src/main_gui.cpp

@@ -1386,6 +1386,8 @@ static void ScenEditLandGenWndProc(Window *w, WindowEvent *e)
 				case DDSP_CREATE_ROCKS:
 				case DDSP_CREATE_DESERT:
 				case DDSP_CREATE_WATER:
+				case DDSP_LEVEL_AREA:
+				case DDSP_DEMOLISH_AREA:
 					GUIPlaceProcDragXY(e);
 					break;
 			}