Fixed missing include in ubiquity example.

examples/misc_ubiquity_test.html

@@ -40,6 +40,7 @@
 		<script type="text/javascript" src="../src/lights/AmbientLight.js"></script>
 		<script type="text/javascript" src="../src/lights/DirectionalLight.js"></script>
 		<script type="text/javascript" src="../src/lights/PointLight.js"></script>
+		<script type="text/javascript" src="../src/lights/SpotLight.js"></script>
 		<script type="text/javascript" src="../src/lights/LensFlare.js"></script>
 		<script type="text/javascript" src="../src/materials/Material.js"></script>
 		<script type="text/javascript" src="../src/materials/Mappings.js"></script>