Field "count" seems to be optional according
to the schema, so by using only the array
Apache POI can read data validations from
workbooks that do not populate the
"count" field properly.
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1885011 13f79535-47bb-0310-9956-ffa450edef68
Dominik Stadler