PluginFilter should apply to PluginServlet.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@4017 b35dd754-fafc-0310-a699-88a17e54d16e

src/web/WEB-INF/web.xml

@@ -72,6 +72,11 @@
         <servlet-name>PluginServlet</servlet-name>
     </filter-mapping>
 
+    <filter-mapping>
+        <filter-name>PluginFilter</filter-name>
+        <servlet-name>PluginServlet</servlet-name>
+    </filter-mapping>
+    
     <filter-mapping>
         <filter-name>sitemesh</filter-name>
         <url-pattern>/*</url-pattern>