org-compat: Preserve compatibility with Emacs 24.3

* lisp/org-compat.el: Use `eval-after-load' instead of
  `with-eval-after-load' since the latter was introduce in Emacs 24.4.

lisp/org-compat.el

@@ -228,9 +228,10 @@ See `org-link-parameters' for documentation on the other parameters."
 
 ;;;; Obsolete link types
 
-(with-eval-after-load 'org
-  (org-link-set-parameters "file+emacs") ;since Org 9.0
-  (org-link-set-parameters "file+sys"))	 ;since Org 9.0
+(eval-after-load 'org
+  '(progn
+     (org-link-set-parameters "file+emacs") ;since Org 9.0
+     (org-link-set-parameters "file+sys"))) ;since Org 9.0