fix bug introduced during reformat

Author: Sing-Li

.travis/setbuildinfo.js

@@ -1,7 +1,7 @@
 var BUILD_INFO_PATH = '../public/buildinfo/buildinfo.txt';
 var PACKAGES_PATH = '../.meteor/packages';
 var BUILD_PATH = '../../build';
-var LineByLineReader = require('line-by-line'),
+var LineByLineReader = require('line-by-line');
 var mkdirp = require('mkdirp');
 var fs = require('fs');
 var lr = new LineByLineReader(BUILD_INFO_PATH);