protect login form submission from CSRF using a request token

thomascube

2011-02-03 784a425e07f8b249b44137eadfe2a5dfe436aaeb

 program/include/rcube_session.php

@@ -253,6 +253,7 @@
   */
  public function kill()
  {
    $this->vars = false;
    $this->destroy(session_id());
    rcmail::setcookie($this->cookiename, '-del-', time() - 60);
  }