Replace maven:pluginVar by maven:get

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@371839 13f79535-47bb-0310-9956-ffa450edef68

developer-activity/plugin.jelly

@@ -54,7 +54,7 @@
       <j:set var="maven.mode.online" value="true" />
     </j:if>
 
-    <maven:pluginVar var="factory" plugin="maven-changelog-plugin" property="maven.changelog.factory" />
+    <maven:get var="factory" plugin="maven-changelog-plugin" property="maven.changelog.factory" />
 
     <j:choose>
       <j:when test="${maven.mode.online}">