coverity 1021731 : clean up typedef
coverity 1021731 :
clean up typedef

taoyunxing/trafficserver,PSUdaemon/trafficserver,rpufky/trafficserver,duke8253/trafficserver,bryancall/trafficserver,rahmalik/trafficserver,SolidWallOfCode/trafficserver,dyrock/trafficserver,reveller/trafficserver,duke8253/trafficserver,vmamidi/trafficserver,rahmalik/trafficserver,persiaAziz/trafficserver,rahmalik/trafficserver,duke8253/trafficserver,persiaAziz/trafficserver,PSUdaemon/trafficserver,rpufky/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,dyrock/trafficserver,vmamidi/trafficserver,taoyunxing/trafficserver,chitianhao/trafficserver,reveller/trafficserver,pbchou/trafficserver,duke8253/trafficserver,rahmalik/trafficserver,rpufky/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,taoyunxing/trafficserver,davidbz/trafficserver,chitianhao/trafficserver,reveller/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,davidbz/trafficserver,persiaAziz/trafficserver,rahmalik/trafficserver,davidbz/trafficserver,dyrock/trafficserver,vmamidi/trafficserver,rahmalik/trafficserver,davidbz/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,pbchou/trafficserver,davidbz/trafficserver,PSUdaemon/trafficserver,rahmalik/trafficserver,pbchou/trafficserver,clearswift/trafficserver,clearswift/trafficserver,SolidWallOfCode/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,PSUdaemon/trafficserver,persiaAziz/trafficserver,rahmalik/trafficserver,duke8253/trafficserver,chitianhao/trafficserver,clearswift/trafficserver,taoyunxing/trafficserver,dyrock/trafficserver,rpufky/trafficserver,pbchou/trafficserver,vmamidi/trafficserver,persiaAziz/trafficserver,vmamidi/trafficserver,persiaAziz/trafficserver,rpufky/trafficserver,clearswift/trafficserver,rpufky/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,reveller/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,chitianhao/trafficserver,pbchou/trafficserver,PSUdaemon/trafficserver,dyrock/trafficserver,dyrock/trafficserver,clearswift/trafficserver,bryancall/trafficserver,rpufky/trafficserver,reveller/trafficserver,pbchou/trafficserver,PSUdaemon/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,SolidWallOfCode/trafficserver,bryancall/trafficserver,clearswift/trafficserver,chitianhao/trafficserver,duke8253/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,bryancall/trafficserver,duke8253/trafficserver,clearswift/trafficserver,taoyunxing/trafficserver,dyrock/trafficserver,bryancall/trafficserver,taoyunxing/trafficserver,clearswift/trafficserver,davidbz/trafficserver,bryancall/trafficserver,PSUdaemon/trafficserver