i shouldn't have committed this file, sorry

git-svn-id: https://svn.apache.org/repos/asf/bval/branches/bval-11@1544263 13f79535-47bb-0310-9956-ffa450edef68
accept defaults only when not null

git-svn-id: https://svn.apache.org/repos/asf/bval/branches/bval-11@1544265 13f79535-47bb-0310-9956-ffa450edef68