org-element: Fix small bug when parsing visible headlines only

* contrib/lisp/org-element.el (org-element-parse-elements): Fix bug
  when restricting parsing to visible headlines only.

contrib/lisp/org-element.el

@@ -3084,9 +3084,8 @@ Elements are accumulated into ACC."
 	      granularity
 	      visible-only
 	      (reverse element)))
-	    ;; Case 4.  Else, just accumulate ELEMENT, unless
-	    ;; GRANULARITY is set to `headline'.
-	    ((not (eq granularity 'headline)) element))))
+	    ;; Case 4.  Else, just accumulate ELEMENT.
+	    (t element))))
        acc)
       (org-skip-whitespace))
     ;; Return result.