Bad sort order.

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@2478 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/user/client/ui/Tree.java b/user/src/com/google/gwt/user/client/ui/Tree.java
index 7b8ca3a..24d0a3f 100644
--- a/user/src/com/google/gwt/user/client/ui/Tree.java
+++ b/user/src/com/google/gwt/user/client/ui/Tree.java
@@ -15,18 +15,18 @@
  */
 package com.google.gwt.user.client.ui;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.i18n.client.LocaleInfo;
 import com.google.gwt.user.client.DOM;
 import com.google.gwt.user.client.Element;
 import com.google.gwt.user.client.Event;
 
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
 /**
  * A standard hierarchical tree widget. The tree contains a hierarchy of
  * {@link com.google.gwt.user.client.ui.TreeItem TreeItems} that the user can