Really, really logout (fixes r2467).

svncommit

2009-05-12 f22c2cefb4c7f8b1a995d5de6f706d49861c473c

 program/include/rcube_plugin_api.php

@@ -302,7 +302,7 @@
   */
  private function ressource_url($fn)
  {
    if ($fn[0] != '/' && !eregi('^https?://', $fn))
    if ($fn[0] != '/' && !preg_match('|^https?://|i', $fn))
      return $this->url . $fn;
    else
      return $fn;