[calendar] Holidays menu doesn't go away

[Jesper Harder]

Hi,

The "Holidays" menu doesn't go away after quitting from the calendar.

Steps to reproduce:

* Start the calendar: `M-x calendar'.
* Quit the calendar with `q'.
* Observe that the "Holidays" menu is still present.

In GNU Emacs 21.3.50.24 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2003-03-17 on defun.localdomain
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.iso88591
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t