Removed new operator calling THREE.WebGLShader (it's a function).

src/renderers/webgl/WebGLProgram.js

@@ -361,8 +361,8 @@ THREE.WebGLProgram = ( function () {
 		var vertexGlsl = prefixVertex + vertexShader;
 		var fragmentGlsl = prefixFragment + fragmentShader;
 
-		var glVertexShader = new THREE.WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );
-		var glFragmentShader = new THREE.WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );
+		var glVertexShader = THREE.WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl );
+		var glFragmentShader = THREE.WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl );
 
 		gl.attachShader( program, glVertexShader );
 		gl.attachShader( program, glFragmentShader );