Link to correct AppVeyor project in Readme

Author: phansch

README.md

@@ -3,7 +3,7 @@ We are currently in the process of discussing Clippy 1.0 via the RFC process in
 # rust-clippy
 
 [![Build Status](https://travis-ci.org/rust-lang-nursery/rust-clippy.svg?branch=master)](https://travis-ci.org/rust-lang-nursery/rust-clippy)
-[![Windows build status](https://ci.appveyor.com/api/projects/status/github/rust-lang-nursery/rust-clippy?svg=true)](https://ci.appveyor.com/project/rust-lang-nursery/rust-clippy)
+[![Windows Build status](https://ci.appveyor.com/api/projects/status/id677xpw1dguo7iw?svg=true)](https://ci.appveyor.com/project/rust-lang-libs/rust-clippy)
 [![Current Version](https://meritbadge.herokuapp.com/clippy)](https://crates.io/crates/clippy)
 [![License: MPL-2.0](https://img.shields.io/crates/l/clippy.svg)](#license)