Really, really logout (fixes r2467).

svncommit

2009-05-12 f22c2cefb4c7f8b1a995d5de6f706d49861c473c

 index.php

@@ -97,7 +97,7 @@
  else if ($_SESSION['temp'] && !empty($auth['user']) && !empty($auth['host']) && isset($auth['pass']) && 
            $RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) {
    // create new session ID
    unset($_SESSION['temp']);
    rcube_sess_unset('temp');
    rcube_sess_regenerate_id();

    // send auth cookie if necessary