Add missing semicolon

envify/envify-tests.ts

@@ -1,7 +1,7 @@
 /// <reference path="envify.d.ts" />
 /// <reference path="../browserify/browserify.d.ts" />
 
-import browserify = require('browserify')
+import browserify = require('browserify');
 import envify = require('envify/custom');
 import fs = require('fs');