Opened up access to the topological sort code so a list targets that

must be called to fulfill a specific target can be determined.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268247 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -836,7 +836,7 @@ public class Project {
      * @exception BuildException if there is a cyclic dependency among the
      * Targets, or if a Target does not exist.
      */
-    private final Vector topoSort(String root, Hashtable targets)
+    public final Vector topoSort(String root, Hashtable targets)
         throws BuildException {
         Vector ret = new Vector();
         Hashtable state = new Hashtable();