[Struts Wiki] Trivial Update of "HDIV" by newacct

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The "HDIV" page has been changed by newacct.
http://wiki.apache.org/struts/HDIV?action=diff&rev1=10&rev2=11

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  	Map extraParams = paramProcessing.getExtraFormParameters();
  
  	if (extraParams != null) {
- 		String key = null;
- 		for (Iterator iter = extraParams.keySet().iterator(); iter.hasNext();) {
+ 		for (Iterator iter = extraParams.entrySet().iterator(); iter.hasNext();) {
- 			key = (String) iter.next();
+ 			Map.Entry entry = (Map.Entry) iter.next();
+ 			String key = (String) entry.getKey();
+ 			String val = (String) entry.getValue();
- TagUtils.getInstance().write(pageContext, renderField(key, (String) extraParams.get(key)));
+ 			TagUtils.getInstance().write(pageContext, renderField(key, val));
  		}
  	}
  }