`replace-rectangle' should be autoloaded

[Michael Ernst]

`replace-rectangle' is advertised in the Emacs 21.2 NEWS file, so it should
be autoloaded.

2002-03-24  Michael Ernst  <mernst@alum.mit.edu>

        * rect.el (replace-rectangle): Autoload.


*** /usr/local/share/emacs/21.2/lisp/rect.el    Fri Nov 16 19:34:53 2001
--- -   Sun Mar 24 09:15:36 2002
***************
*** 337,340 ****
--- 337,341 ----
    (apply-on-rectangle 'string-rectangle-line start end string t))
  
+ ;;;###autoload
  (defalias 'replace-rectangle 'string-rectangle)