Fix bug in common.bash for make_cluster
Fix bug in common.bash for make_cluster

Signed-off-by: Abhijit Subramanya <53f38ff1dce97d19d07cddf5d958aad389b7c613@pivotal.io>

greenplum-db/gpdb,adam8157/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,cjcjameson/gpdb,Chibin/gpdb,janebeckman/gpdb,edespino/gpdb,xinzweb/gpdb,janebeckman/gpdb,jmcatamney/gpdb,Chibin/gpdb,Quikling/gpdb,janebeckman/gpdb,adam8157/gpdb,edespino/gpdb,adam8157/gpdb,greenplum-db/gpdb,edespino/gpdb,50wu/gpdb,Quikling/gpdb,kaknikhil/gpdb,Quikling/gpdb,lisakowen/gpdb,lisakowen/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,lisakowen/gpdb,Quikling/gpdb,janebeckman/gpdb,xinzweb/gpdb,Chibin/gpdb,xinzweb/gpdb,lisakowen/gpdb,lisakowen/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,edespino/gpdb,yuanzhao/gpdb,Chibin/gpdb,50wu/gpdb,Chibin/gpdb,ashwinstar/gpdb,Quikling/gpdb,kaknikhil/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,xinzweb/gpdb,janebeckman/gpdb,adam8157/gpdb,kaknikhil/gpdb,Quikling/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,cjcjameson/gpdb,50wu/gpdb,xinzweb/gpdb,kaknikhil/gpdb,Chibin/gpdb,xinzweb/gpdb,edespino/gpdb,greenplum-db/gpdb,Chibin/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,50wu/gpdb,janebeckman/gpdb,yuanzhao/gpdb,janebeckman/gpdb,janebeckman/gpdb,edespino/gpdb,cjcjameson/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,xinzweb/gpdb,Quikling/gpdb,jmcatamney/gpdb,adam8157/gpdb,cjcjameson/gpdb,50wu/gpdb,kaknikhil/gpdb,xinzweb/gpdb,jmcatamney/gpdb,janebeckman/gpdb,janebeckman/gpdb,adam8157/gpdb,adam8157/gpdb,50wu/gpdb,50wu/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,edespino/gpdb,adam8157/gpdb,cjcjameson/gpdb,Quikling/gpdb,edespino/gpdb,lisakowen/gpdb,lisakowen/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,Chibin/gpdb,edespino/gpdb,edespino/gpdb,ashwinstar/gpdb,kaknikhil/gpdb,Quikling/gpdb,ashwinstar/gpdb,lisakowen/gpdb,50wu/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,Quikling/gpdb,cjcjameson/gpdb,Chibin/gpdb,Chibin/gpdb