[TS-3364]: change exitStatus to unsigned char, since, it can only be 8-bits
[TS-3364]: change exitStatus to unsigned char, since, it can only be 8-bits

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