.travis(.yml): Update to Xenial

Xenial is now available with Travis CI https://blog.travis-ci.com/2018-11-08-xenial-release
2018-12-25 18:35:54 +00:00 · 2018-12-25 18:35:54 +00:00 · 12ebeb30d0
parent c78abbe1d2
commit 12ebeb30d0
1 changed files with 1 additions and 1 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,4 +1,4 @@
-dist: trusty
+dist: xenial
 env:
  matrix:
    - CI_BUILD=cmake