Fix clang static analyzer warning.
Fix clang static analyzer warning.

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