[nongnu] elpa/parseclj 19ca5f5bd0 121/185: Stick to the previous Travis Trusty image

[ELPA Syncer]

branch: elpa/parseclj
commit 19ca5f5bd0ab8b4f689b9a716268232590b53d90
Author: Arne Brasseur <arne@arnebrasseur.net>
Commit: Arne Brasseur <arne@arnebrasseur.net>

    Stick to the previous Travis Trusty image
    
    See https://blog.travis-ci.com/2017-12-12-new-trusty-images-q4-launch
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 5cfcd11bb1..7f4e57f3fd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: generic
 dist: trusty
+group: deprecated-2017Q4
 env:
   - EMACS=emacs25
   - EMACS=emacs-snapshot