getResourceCollections is useful for composition of resource collections as well

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@808746 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java

@@ -211,7 +211,7 @@ public abstract class BaseResourceCollectionContainer
      * Get the nested ResourceCollections.
      * @return List.
      */
-    protected final synchronized List getResourceCollections() {
+    public final synchronized List getResourceCollections() {
         dieOnCircularReference();
         return Collections.unmodifiableList(rc);
     }