TS-2624: Divide by zero check.
TS-2624: Divide by zero check.

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