use es5 syntax

刘祺 · 刘祺 · commit 7f9253c8818c · 2016-10-14T10:06:26.000+08:00
diff --git a/test.js b/test.js
@@ -168,7 +168,7 @@ describe('PostCSS Guidelines', function () {
       return this.source
     }
     this.toString = function(){
-      let code = this.showSourceCode();
+      var code = this.showSourceCode();
       if ( code ) {
           code = '\n\n' + code + '\n';
       }

Original file line number	Diff line number	Diff line change
`@@ -168,7 +168,7 @@ describe('PostCSS Guidelines', function () {`
`168`	`168`	`return this.source`
`169`	`169`	`}`
`170`	`170`	`this.toString = function(){`
`171`		`- let code = this.showSourceCode();`
	`171`	`+ var code = this.showSourceCode();`
`172`	`172`	`if ( code ) {`
`173`	`173`	`code = '\n\n' + code + '\n';`
`174`	`174`	`}`