Old bug reverled by my recent changes.

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269388 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Property.java

@@ -255,8 +255,9 @@ public class Property extends Task {
         while (e.hasMoreElements()) {
             String name = (String) e.nextElement();
             String value = (String) props.getProperty(name);
+
             String v = ProjectHelper.replaceProperties(project, value, project.getProperties());
-            addProperty(name, value);
+            addProperty(name, v);
         }
     }