When an element had a complex type coming from a different namespace, and the type was anonymous, the grammar was not switched and locally defined elements used by the type could not to be found (because the local search was done in the namespace of the element, and a global search was done in the namespace of the type) (XERCESC-1776)

git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@646366 13f79535-47bb-0310-9956-ffa450edef68