ENG-4895 Fix CentOS compile issue.
ENG-4895 Fix CentOS compile issue.

ingted/voltdb,creative-quant/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,kumarrus/voltdb,deerwalk/voltdb,creative-quant/voltdb,simonzhangsm/voltdb,wolffcm/voltdb,zuowang/voltdb,kumarrus/voltdb,deerwalk/voltdb,flybird119/voltdb,ingted/voltdb,VoltDB/voltdb,creative-quant/voltdb,zuowang/voltdb,flybird119/voltdb,paulmartel/voltdb,migue/voltdb,flybird119/voltdb,wolffcm/voltdb,creative-quant/voltdb,creative-quant/voltdb,zuowang/voltdb,migue/voltdb,zuowang/voltdb,flybird119/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,ingted/voltdb,creative-quant/voltdb,wolffcm/voltdb,wolffcm/voltdb,ingted/voltdb,deerwalk/voltdb,migue/voltdb,kumarrus/voltdb,kumarrus/voltdb,ingted/voltdb,kumarrus/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,zuowang/voltdb,paulmartel/voltdb,ingted/voltdb,kumarrus/voltdb,zuowang/voltdb,paulmartel/voltdb,wolffcm/voltdb,deerwalk/voltdb,paulmartel/voltdb,migue/voltdb,wolffcm/voltdb,simonzhangsm/voltdb,zuowang/voltdb,ingted/voltdb,creative-quant/voltdb,paulmartel/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,deerwalk/voltdb,deerwalk/voltdb,kumarrus/voltdb,migue/voltdb,flybird119/voltdb,flybird119/voltdb,paulmartel/voltdb,VoltDB/voltdb,migue/voltdb,simonzhangsm/voltdb,wolffcm/voltdb,paulmartel/voltdb,deerwalk/voltdb,migue/voltdb,wolffcm/voltdb,creative-quant/voltdb,VoltDB/voltdb,zuowang/voltdb,migue/voltdb,VoltDB/voltdb,ingted/voltdb,flybird119/voltdb,VoltDB/voltdb,flybird119/voltdb,kumarrus/voltdb,VoltDB/voltdb