From 61b11beda7f95df9cdb3a3ad95ea7b683c7a4866 Mon Sep 17 00:00:00 2001
From: Andreas Dangel <adangel@users.sourceforge.net>
Date: Sun, 2 Nov 2014 12:18:45 +0100
Subject: [PATCH] Another jdk9 fix for Swing's JTree TreeNode

---
 .../main/java/net/sourceforge/pmd/util/designer/Designer.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pmd-core/src/main/java/net/sourceforge/pmd/util/designer/Designer.java b/pmd-core/src/main/java/net/sourceforge/pmd/util/designer/Designer.java
index b6732a2f93..10c93de09b 100644
--- a/pmd-core/src/main/java/net/sourceforge/pmd/util/designer/Designer.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/util/designer/Designer.java
@@ -426,7 +426,7 @@ public class Designer implements ClipboardOwner {
 			// Traverse children
 			TreeNode node = (TreeNode) parent.getLastPathComponent();
 			if (node.getChildCount() >= 0) {
-				for (Enumeration<TreeNode> e = node.children(); e.hasMoreElements();) {
+				for (Enumeration<? extends TreeNode> e = node.children(); e.hasMoreElements();) {
 					TreeNode n = e.nextElement();
 					TreePath path = parent.pathByAddingChild(n);
 					expandAll(path, expand);