Workaround for Travis CI failure

See https://blog.travis-ci.com/2017-12-12-new-trusty-images-q4-launch
2018-01-24 18:28:53 +01:00 · 2018-01-24 18:28:53 +01:00 · 138f7dfc4a
parent bfafac735e
commit 138f7dfc4a
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -2,6 +2,7 @@ language: cpp

 sudo: required
 dist: trusty
+group: deprecated-2017Q4

 matrix:
  include: