Add changelog record for PR #1089

changelog.html

@@ -55,7 +55,9 @@ Upcoming changes</a>
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
-  <li class=>
+  <li class=bug>
+    Files added to zip archive are closed properly.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-20345">issue 20345</a>)
 </ul>
 </div><!--=TRUNK-END=-->