very low risk simple fix for V5.6
very low risk simple fix for V5.6

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