processGetPreviousRevision method sets the status to GET_COMMENT but it should set it to
GET_DATE otherwise the date information gets put in the comment and as the author is
escaped using a CDATA, you finally get a CDATA inside a CDATA...
Submitted By: Frederic Lavigne <fred@castify.net>
git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272201 13f79535-47bb-0310-9956-ffa450edef68