org-quotes: Fixed a broken link

* org-quotes.org: Fixed a broken link to Jonathan E. Magden's blog post.

org-quotes.org

@@ -161,7 +161,7 @@ Nick> Yup - get used to it ;-)
 
 #+begin_quote
 Org-mode has changed my life!
-@<div align="right">@<i>Jonathan E. Magen in a [[http://yonkeltron.com/2008/11/10/org-mode-has-changed-my-life/][blog post]]@</i>@</div>
+@<div align="right">@<i>Jonathan E. Magen in a [[http://yonkeltron.com/blog/2008/11/10/org-mode-has-changed-my-life/][blog post]]@</i>@</div>
 #+end_quote
 
 #+begin_quote