Fix DoubleSided/DoubleSide typo

examples/js/loaders/ColladaLoader.js

@@ -772,7 +772,7 @@ THREE.ColladaLoader = function () {
 				}
 
 				var mesh;
-				var material = first_material || new THREE.MeshLambertMaterial( { color: 0xdddddd, shading: THREE.FlatShading, side: geometry.doubleSided ? THREE.DoubleSided : THREE.FrontSide } );
+				var material = first_material || new THREE.MeshLambertMaterial( { color: 0xdddddd, shading: THREE.FlatShading, side: geometry.doubleSided ? THREE.DoubleSide : THREE.FrontSide } );
 				var geom = geometry.mesh.geometry3js;
 
 				if ( num_materials > 1 ) {