crashlog: don't emit a crashlog if traffic_server is gone
crashlog: don't emit a crashlog if traffic_server is gone

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