Visual tests: Fix index links

Author: jzaefferer

tests/visual/index.html

@@ -28,7 +28,7 @@ <h2>addClass</h2>
 		<h2>Button</h2>
 		<ul>
 			<li><a href="button/button.html">General</a></li>
-			<li><a href="butotn/performance.html">Performance</a></li>
+			<li><a href="button/performance.html">Performance</a></li>
 		</ul>
 
 		<h2>Dialog</h2>
@@ -74,7 +74,7 @@ <h2>Compound</h2>
 			<li><a href="compound/draggable_accordion_accordion_tabs_draggable.html">Nested Widgets</a></li>
 			<li><a href="compound/sortable_accordion_sortable_tabs.html">Sortable Tabs in Sortable Accordion</a></li>
 			<li><a href="compound/tabs_tabs.html">Nested Tabs</a></li>
-			<li><a href="compound/tabs_tooltip.html">Tabs with Tooltips</a></li>
+			<li><a href="compound/tabs_tooltips.html">Tabs with Tooltips</a></li>
 		</ul>
 
 		<h2>General</h2>