doc: fix XDebug header nomenclature
doc: fix XDebug header nomenclature

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