Change the "request_feed_links" eventing handling so that individual modules

provide the part of the url (the suffix) that they are interested in and the
rss module will format the rest of the url.

modules/rss/helpers/rss_theme.php

@@ -40,7 +40,9 @@ class rss_theme_Core {
     $event_data->feeds = array();
     $event_data->item = $theme->item();
     module::event("request_feed_links", $event_data);
-    
+    foreach ($event_data->feeds as $key => $feed) {
+      $event_data->feeds[$key] = url::site("rss/$feed");
+    }
     $block = new Block();
     $block->css_id = "gRss";
     $block->title = t("Available RSS Feeds");