[commit: ghc] wip/nfs-locking: Fix Appveyor CI. (f76a8be)

[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/f76a8bea7b7b5d797880621af089f9ee22cc1035/ghc

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

commit f76a8bea7b7b5d797880621af089f9ee22cc1035
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Sat Apr 30 13:01:49 2016 +0100

    Fix Appveyor CI.


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

f76a8bea7b7b5d797880621af089f9ee22cc1035
 appveyor.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/appveyor.yml b/appveyor.yml
index 3918779..8850273 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -36,6 +36,9 @@ install:
     - alex  --version
     - happy --version
     - stack exec -- ghc-pkg list
+    - mkdir _build
+    - cd _build
+    - mkdir hadrian
 
 build_script:
     - cd C:\msys64\home\ghc\hadrian