Autoload orgtbl-exp-regexp

* org-table.el (orgtbl-exp-regexp): Add autoload cookie.

Reported-by: Robert Klein <roklein@roklein.de>
<http://permalink.gmane.org/gmane.emacs.orgmode/98887>

lisp/org-table.el

@@ -4559,6 +4559,7 @@ overwritten, and the table is not marked as requiring realignment."
 	      (setq org-self-insert-command-undo-counter
 		    (1+ org-self-insert-command-undo-counter))))))))
 
+;;;###autoload
 (defvar orgtbl-exp-regexp "^\\([-+]?[0-9][0-9.]*\\)[eE]\\([-+]?[0-9]+\\)$"
   "Regular expression matching exponentials as produced by calc.")