Fix compile error in compacting map test on some platforms like Ubuntu
Fix compile error in compacting map test on some platforms like Ubuntu

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