[nongnu] elpa/d-mode e64d5fc 169/346: .travis.yml: Update with emacs-travis compatibility updates

[ELPA Syncer]

branch: elpa/d-mode
commit e64d5fc963ac7e4662bb0397684d8b2c55b25e39
Author: Vladimir Panteleev <git@thecybershadow.net>
Commit: Vladimir Panteleev <git@thecybershadow.net>

    .travis.yml: Update with emacs-travis compatibility updates
---
 .travis.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index ec981e3..236f500 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,8 @@
 # Based on https://github.com/flycheck/emacs-travis
 
 language: emacs-lisp
-sudo: false
+sudo: required
+dist: trusty
 # Allow Emacs snapshot builds to fail and don’t wait for these as they can take
 # a looooong time
 matrix: