JDK 1.1

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272225 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/types/optional/depend/ClassfileSet.java

@@ -156,7 +156,7 @@ public class ClassfileSet extends FileSet {
      * @param root the configured class root.
      */
     public void addConfiguredRoot(ClassRoot root) {
-        rootClasses.add(root.getClassname());    
+        rootClasses.addElement(root.getClassname());    
     }
 
     /**