[hashchange functional test] Add link to third dialog from first dialog to test jquery-archive#4966

Author: Gabriel Schulhof

tests/functional/hashchange/dialog.html

@@ -15,6 +15,7 @@ <h1>A dialog</h1>
 			</div>
 			<a href="#thePopup" data-role="button" data-rel="popup" data-inline="true">A popup from a dialog</a>
 			<a href="dialog1.html" data-role="button" data-rel="dialog" data-inline="true">Another dialog</a>
+			<a href="dialog2.html" data-role="button" data-rel="dialog" data-inline="true">Yet another dialog</a>
 		</div>
 	</div>
 </body>