OPENJPA-2533: Table name defined in XML mapping file is not used when executing a named query.  Back ported to 2.2.x Rick Curtis' trunk commit.

git-svn-id: https://svn.apache.org/repos/asf/openjpa/branches/2.2.x@1644778 13f79535-47bb-0310-9956-ffa450edef68