[Struts Wiki] Trivial Update of "ValidatorTool" by newa cct

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The "ValidatorTool" page has been changed by newacct.
http://wiki.apache.org/struts/ValidatorTool?action=diff&rev1=2&rev2=3

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                          Map vars = field.getVars(); 
                          // Loop through the field's variables. 
-                         Iterator varsIterator = vars.keySet().iterator(); 
+                         Iterator varsIterator = vars.entrySet().iterator(); 
                          while (varsIterator.hasNext()) { 
+                             Map.Entry entry = (Map.Entry) 
varsIterator.next(); 
-                             String varName = (String) varsIterator.next(); 
+                             String varName = (String) entry.getKey(); 
-                             Var var = (Var) vars.get(varName); 
+                             Var var = (Var) entry.getValue(); 
                              String varValue = var.getValue(); 
                              String jsType = var.getJsType();