Use commons-lang for string replacement, util:replace does not work with maven 1.0.2

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@354128 13f79535-47bb-0310-9956-ffa450edef68

xdoc/src/plugin-resources/sitemap.jsl

@@ -77,7 +77,7 @@
       <j:if test="${link.startsWith('/')}" trim="yes">
         <j:set var="link" value="${link.substring(1)}"/>
       </j:if>
-      <util:replace value="${link}" var="xml_link" old=".html" new=".xml"/>
+      <j:set var="xml_link" value="${stringUtils.replace(link, '.html', '.xml')}"/>
       <util:available file="${maven.docs.src}/${xml_link}">
         <util:file var="xmlfile" name="${maven.docs.src}/${xml_link}"/>
         <x:parse var="inputdoc" xml="${xmlfile}"/>