Fix the memcheck problem
Fix the memcheck problem

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