Fixed link to source code for Lut (Chinese)

docs/examples/zh/math/Lut.html

@@ -138,7 +138,7 @@
 		<h2>源码</h2>
 
 		<p>
-			[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/math/[path].js examples/jsm/math/[path].js]
+			[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/math/Lut.js examples/jsm/math/Lut.js]
 		</p>
 	</body>
 </html>