[commit: ghc] wip/test-ci-images-commit: Update ci-images commit (a480daf)

[git at git.haskell.org]

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

On branch  : wip/test-ci-images-commit
Link       : http://ghc.haskell.org/trac/ghc/changeset/a480daf2c2ec7ef65cf24f7bbdd918892d945e7f/ghc

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

commit a480daf2c2ec7ef65cf24f7bbdd918892d945e7f
Author: Matthew Pickering <matthewtpickering at gmail.com>
Date:   Tue Mar 12 09:45:48 2019 -0400

    Update ci-images commit


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

a480daf2c2ec7ef65cf24f7bbdd918892d945e7f
 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ae41dd0..76bd9da 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ variables:
   GIT_SSL_NO_VERIFY: "1"
 
   # Commit of ghc/ci-images repository from which to pull Docker images
-  DOCKER_REV: 6d19c3adc1f5c28c82aed8c5b1ac40931ac60f3f
+  DOCKER_REV: cf1da0b5efda2f751e56c2f1ce9ff53447ae17bc
 
 before_script:
   - python3 .gitlab/fix-submodules.py