WebGLCapabilities: Use semicolon after statement (#8948)

src/renderers/webgl/WebGLCapabilities.js

@@ -32,7 +32,7 @@ THREE.WebGLCapabilities = function ( gl, extensions, parameters ) {
 
 	this.getMaxPrecision = getMaxPrecision;
 
-	this.precision = parameters.precision !== undefined ? parameters.precision : 'highp',
+	this.precision = parameters.precision !== undefined ? parameters.precision : 'highp';
 	this.logarithmicDepthBuffer = parameters.logarithmicDepthBuffer !== undefined ? parameters.logarithmicDepthBuffer : false;
 
 	this.maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS );