Avoid NullPointerException in <delete> if the current user is not

allowed to list the contents of a directory.

Reported by:	"NIkhil R. Deshpande" <nikhild@flashmail.com>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268372 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -270,6 +270,7 @@ public class Delete extends MatchingTask {
 
     protected void removeDir(File d) {
         String[] list = d.list();
+        if (list == null) list = new String[0];
         for (int i = 0; i < list.length; i++) {
             String s = list[i];
             File f = new File(d, s);