Fix one assert for IndexCountExecutor
Fix one assert for IndexCountExecutor

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