[JENKINS-16468] Linking in changelog.

(cherry picked from commit 2f1ad0b2)

Conflicts:
	changelog.html

changelog.html

@@ -63,6 +63,7 @@ Upcoming changes</a>
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-16069">issue 16069</a>)
   <li class=rfe>
     Fixed the lock contention problem on <tt>Queue.getItems()</tt>
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-16468">issue 16468</a>)
 </ul>
 </div><!--=TRUNK-END=-->