Reverting setting the wrapper proxy to null as the unit tests failed.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275841 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/UnknownElement.java

@@ -309,7 +309,11 @@ public class UnknownElement extends Task {
         // the task will not be reused ( a new init() will be called )
         // Let GC do its job
         realThing = null;
-        getWrapper().setProxy(null);
+        // FIXME: the following should be done as well, but is
+        //        commented out for the moment as the unit tests fail
+        //        if it is done
+        //getWrapper().setProxy(null);
+        
     }
 
     /**