Fix byte-recompile-directory.

 lisp/emacs-lisp/bytecomp.el (byte-recompile-directory): Use cl-incf,
 not incf.

lisp/ChangeLog

+2012-07-12  Eli Zaretskii  <eliz@gnu.org>
+
+	* emacs-lisp/bytecomp.el (byte-recompile-directory): Use cl-incf,
+	not incf.
+
 2012-07-11  Stefan Monnier  <monnier@iro.umontreal.ca>
 	More CL cleanups and reduction of use of cl.el.

lisp/emacs-lisp/bytecomp.el

@@ -1591,7 +1591,7 @@ that already has a `.elc' file."
                         (not (auto-save-file-name-p source))
                         (not (string-equal dir-locals-file
                                            (file-name-nondirectory source))))
-                   (progn (incf
+                   (progn (cl-incf
                            (pcase (byte-recompile-file source force arg)
                              (`no-byte-compile skip-count)
                              (`t file-count)