fixed compatibility bug for pre-0.86 systems
fixed compatibility bug for pre-0.86 systems

max630/turtleart-hacks,walterbender/turtleflags,walterbender/turtleconfusion,walterbender/turtle3D,walterbender/turtleartmini,walterbender/AmazonasTortuga,max630/turtleart-hacks,walterbender/turtleart,AlanJAS/turtleart