Make some files provide features

* dos-vars.el, emacs-lisp/cl-indent.el, emulation/tpu-extras.el:
Provide features.

lisp/ChangeLog

+2013-05-11  Glenn Morris  <rgm@gnu.org>
+
+	* dos-vars.el, emacs-lisp/cl-indent.el, emulation/tpu-extras.el:
+	Provide features.
+
 2013-05-11  Leo Liu  <sdl.web@gmail.com>
 	* progmodes/octave.el (octave-indent-comment): Improve.

lisp/dos-vars.el

@@ -43,4 +43,6 @@ in `standard-display-table' as appropriate for your codepage, if
   :type '(hook)
   :version "20.3.3")
 
+(provide 'dos-vars)
+
 ;;; dos-vars.el ends here

lisp/emacs-lisp/cl-indent.el

@@ -809,4 +809,6 @@ optional\\|rest\\|key\\|allow-other-keys\\|aux\\|whole\\|body\\|environment\
 ;(put 'defclass 'common-lisp-indent-function '((&whole 2 &rest (&whole 2 &rest 1) &rest (&whole 2 &rest 1)))
 ;(put 'defgeneric 'common-lisp-indent-function 'defun)
 
+(provide 'cl-indent)
+
 ;;; cl-indent.el ends here

lisp/emulation/tpu-extras.el

@@ -436,6 +436,8 @@ A repeat count means scroll that many sections."
   (interactive)
   (tpu-cursor-free-mode -1))
 
+(provide 'tpu-extras)
+
 ;; Local Variables:
 ;; generated-autoload-file: "tpu-edt.el"
 ;; End: