System.err debugging of a problem in Gump

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1514675 13f79535-47bb-0310-9956-ffa450edef68
System.err debugging of a problem in Gump

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1514677 13f79535-47bb-0310-9956-ffa450edef68