Use trusty dist on Travis CI to support testing against v26.X

Without trusty, we encounter this: cask/cask#471 (And note alternative CI setups for emacs now)
senny · Jul 19, 2020 · b77624f · b77624f
1 parent ce364bc
commit b77624f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,4 @@
+dist: trusty
 language: emacs-lisp
 before_install:
   - curl -fsSkL https://gist.github.com/senny/8003271/raw > travis.sh && source ./travis.sh