[commit: ghc] wip/nfs-locking: Add CircleCI badge (1400b14)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/nfs-locking
Link       : http://ghc.haskell.org/trac/ghc/changeset/1400b148157e781c55165bfaf4d706477f3d36be/ghc

>---------------------------------------------------------------

commit 1400b148157e781c55165bfaf4d706477f3d36be
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Mon Jul 17 19:12:04 2017 +0100

    Add CircleCI badge
    
    [skip ci]


>---------------------------------------------------------------

1400b148157e781c55165bfaf4d706477f3d36be
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d65b98c..3e5318a 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Hadrian
 =======
 
-[![Linux & OS X status](https://img.shields.io/travis/snowleopard/hadrian/master.svg?label=Linux%20%26%20OS%20X)](https://travis-ci.org/snowleopard/hadrian) [![Windows status](https://img.shields.io/appveyor/ci/snowleopard/hadrian/master.svg?label=Windows)](https://ci.appveyor.com/project/snowleopard/hadrian)
+[![Linux & OS X status](https://img.shields.io/travis/snowleopard/hadrian/master.svg?label=Linux%20%26%20OS%20X)](https://travis-ci.org/snowleopard/hadrian) [![Windows status](https://img.shields.io/appveyor/ci/snowleopard/hadrian/master.svg?label=Windows)](https://ci.appveyor.com/project/snowleopard/hadrian) [![OS X status](https://img.shields.io/circleci/project/github/snowleopard/hadrian.svg?label=OS%20X)](https://circleci.com/gh/snowleopard/hadrian)
 
 Hadrian is a new build system for the [Glasgow Haskell Compiler][ghc]. It is based
 on [Shake][shake] and we hope that it will eventually replace the current