fix compilation issue in tdl-util on ccsr machine
fix compilation issue in tdl-util on ccsr machine

JohnRThomas/opengl-examples,runewake2/opengl-examples,runewake2/opengl-examples,runewake2/opengl-examples,runewake2/opengl-examples,JohnRThomas/opengl-examples,JohnRThomas/opengl-examples,JohnRThomas/opengl-examples