markdown test: use strict in javascript (PowerShell#6328)

TravisEz13 · daxian-dbw · commit 46a8976f9a27 · 2018-03-07T14:06:06.000-08:00
diff --git a/test/common/markdown/gulpfile.js b/test/common/markdown/gulpfile.js
@@ -1,3 +1,4 @@
+"use strict";
 var gulp = require("gulp");
 var concat = require("gulp-concat");
 var through2 = require("through2");

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+"use strict";`
`1`	`2`	`var gulp = require("gulp");`
`2`	`3`	`var concat = require("gulp-concat");`
`3`	`4`	`var through2 = require("through2");`