fix xml dependency

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1555679 13f79535-47bb-0310-9956-ffa450edef68
fix xml dependency

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1555680 13f79535-47bb-0310-9956-ffa450edef68