Progressbar resize demo: Added missing mouse dependency. Fixes #5873 - Progressbar: resize demo is broken.

Author: scottgonzalez

demos/progressbar/resize.html

@@ -7,6 +7,7 @@
 	<script type="text/javascript" src="../../jquery-1.4.2.js"></script>
 	<script type="text/javascript" src="../../ui/jquery.ui.core.js"></script>
 	<script type="text/javascript" src="../../ui/jquery.ui.widget.js"></script>
+	<script type="text/javascript" src="../../ui/jquery.ui.mouse.js"></script>
 	<script type="text/javascript" src="../../ui/jquery.ui.progressbar.js"></script>
 	<script type="text/javascript" src="../../ui/jquery.ui.resizable.js"></script>
 	<link type="text/css" href="../demos.css" rel="stylesheet" />