TS-1475: Fixing issue that might dereference a NULL pointer. Coverity #1021649
TS-1475: Fixing issue that might dereference a NULL pointer. Coverity #1021649

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