Fix compilation error in webserver-test
Fix compilation error in webserver-test

Change-Id: I73bfcd0231b2b91c9221a99aeaac762e7a626c8f
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/3639
Reviewed-by: Ippokratis Pandis <49df5a81b84182d67af5e425b1c52ae595fc1f17@cloudera.com>
Tested-by: jenkins

andybab/Impala,andybab/Impala,AtScaleInc/Impala,gistic/PublicSpatialImpala,gistic/PublicSpatialImpala,ImpalaToGo/ImpalaToGo,AtScaleInc/Impala,AtScaleInc/Impala,ImpalaToGo/ImpalaToGo,andybab/Impala,ImpalaToGo/ImpalaToGo,placrosse/ImpalaToGo,AtScaleInc/Impala,ImpalaToGo/ImpalaToGo,gistic/PublicSpatialImpala,andybab/Impala,gistic/PublicSpatialImpala,andybab/Impala,placrosse/ImpalaToGo,gistic/PublicSpatialImpala,placrosse/ImpalaToGo,AtScaleInc/Impala,ImpalaToGo/ImpalaToGo,placrosse/ImpalaToGo,gistic/PublicSpatialImpala,andybab/Impala,ImpalaToGo/ImpalaToGo,AtScaleInc/Impala,placrosse/ImpalaToGo,placrosse/ImpalaToGo