Fix tslint error

suau · suau · commit 76e0465108da · 2016-10-17T17:40:48.000+08:00
diff --git a/packages/angular-cli/custom-typings.d.ts b/packages/angular-cli/custom-typings.d.ts
@@ -1,7 +1,7 @@
 interface IWebpackDevServerConfigurationOptions {
   contentBase?: string;
   hot?: boolean;
-  historyApiFallback?: boolean | {[key:string]: string};
+  historyApiFallback?: boolean | { [key: string]: string };
   compress?: boolean;
   proxy?: {[key: string]: string};
   staticOptions?: any;
