handle case where cells is 0
handle case where cells is 0

git-svn-id: a91d99a4c51940524e539abe295d6ea473345dd2@828 e6edf6fb-f266-4316-afb4-e53d95876a76

liquibase/BACKUP_FROM_SVN,liquibase/BACKUP_FROM_SVN,liquibase/BACKUP_FROM_SVN