fix minor coverity errors
fix minor coverity errors

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