wait for file close in writeStream

Author: Contra

lib/createOutputStream/writeStream.js

@@ -3,7 +3,7 @@ var fs = require('graceful-fs');
 module.exports = function(writePath, file, cb) {
   var outStream = fs.createWriteStream(writePath);
   file.contents.once('error', cb);
-  outStream.once('end', function(){
+  outStream.once('close', function(){
     cb();
   });
   file.contents.pipe(outStream);