adding missing anchor tag

Author: MauriceG

docs/lists/lists-themes.html

@@ -56,7 +56,7 @@ <h2>Theming list items</h2>
 			<li><a href="index.html">Inbox <span class="ui-li-count">12</span></a></li>
 			<li><a href="index.html">Outbox <span class="ui-li-count">0</span></a></li>
 			<li><a href="index.html">Sent <span class="ui-li-count">328</span></a></li>
-			<li data-theme="a">Trash <span class="ui-li-count">34</span></a></li>
+			<li data-theme="a"><a href="index.html">Trash <span class="ui-li-count">34</span></a></li>
 		</ul>
 
 		<h2>Theming dividers</h2>