Fix FreeBSD build issue.
Fix FreeBSD build issue.

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