Merge pull request #136 from zeromq/fix-appveyor-badge

README: Fix appveyor badge

Author: rgbkrk

README.md

@@ -4,7 +4,7 @@
 [![Greenkeeper badge](https://badges.greenkeeper.io/zeromq/zeromq.js.svg)](https://greenkeeper.io/)
 [![](https://img.shields.io/badge/version-latest-blue.svg)](https://github.com/zeromq/zeromq.js)
 [![Build Status](https://travis-ci.org/zeromq/zeromq.js.svg?branch=master)](https://travis-ci.org/zeromq/zeromq.js)
-[![Build status](https://ci.appveyor.com/api/projects/status/6u7saauir2msxpou?svg=true)](https://ci.appveyor.com/project/zeromq/zeromq.js)
+[![Build status](https://ci.appveyor.com/api/projects/status/6u7saauir2msxpou?svg=true)](https://ci.appveyor.com/project/zeromq/zeromq-js/branch/master)
 [![](https://img.shields.io/badge/version-stable-blue.svg)](https://github.com/zeromq/zeromq.js/releases)
 [![Build Status](https://travis-ci.org/zeromq/zeromq.js.svg?branch=prebuilt-testing)](https://travis-ci.org/zeromq/zeromq.js)
 [![Build status](https://ci.appveyor.com/api/projects/status/w189dgubmg9darun/branch/master?svg=true)](https://ci.appveyor.com/project/zeromq/zeromq-js/branch/prebuilt-testing)