Add Coveralls badge to README.md

diff --git a/README.md b/README.md
index 38dd26b956c2de11e5bfb6595b76b04c109b5129..a1ef8a2152639c0cf5650d65ce6214def2d76427 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 [![Travis-CI build (Linux, OS X)](https://travis-ci.org/heimdal/heimdal.svg?branch=master)](https://travis-ci.org/heimdal/heimdal#)
 [![Appveyor-CI build (Windows)](https://ci.appveyor.com/api/projects/status/6j0k0m7kd6jjj4tw/branch/master?svg=true)](https://ci.appveyor.com/project/heimdal/heimdal/branch/master)
+[![Coverage Status](https://coveralls.io/repos/github/heimdal/heimdal/badge.svg)](https://coveralls.io/github/heimdal/heimdal)
 
 Heimdal
 =======