org-element: Tiny refactoring

* lisp/org-element.el (org-element-headline-parser): Tiny refactoring.

lisp/org-element.el

@@ -800,8 +800,7 @@ Assume point is at beginning of the headline."
 			    (t (setq plist (plist-put plist :closed time))))))
 		  plist))))
 	   (begin (point))
-	   (end (save-excursion
-		  (goto-char (min (org-end-of-subtree t t) limit))))
+	   (end (min (save-excursion (org-end-of-subtree t t)) limit))
 	   (pos-after-head (progn (forward-line) (point)))
 	   (contents-begin (save-excursion
 			     (skip-chars-forward " \r\t\n" end)