style: add whitespace (angular#963)

Author: jesselpalmer

addon/ng2/blueprints/directive/files/__path__/__name__.directive.spec.ts

@@ -8,7 +8,7 @@ import {
   it,
   inject
 } from '@angular/core/testing';
-import {ComponentFixture, TestComponentBuilder} from '@angular/compiler/testing';
+import { ComponentFixture, TestComponentBuilder } from '@angular/compiler/testing';
 import { provide, Component } from '@angular/core';
 import { <%= classifiedModuleName %> } from './<%= dasherizedModuleName %>.directive';