Merge pull request #2724 from Caemor/patch-1

Link with https instead of http

Author: phansch

README.md

@@ -2,7 +2,7 @@
 
 [![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)
-[![Current Version](http://meritbadge.herokuapp.com/clippy)](https://crates.io/crates/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)
 
 A collection of lints to catch common mistakes and improve your [Rust](https://github.com/rust-lang/rust) code.