Workaround Travis update.

Travis .yml updated to keep using old version, per: https://blog.travis-ci.com/2017-12-12-new-trusty-images-q4-launch
richardash1981 · Dec 17, 2017 · 1e07ef9 · 1e07ef9
1 parent 2108515
commit 1e07ef9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,9 @@ addons:
         packages:
             - g++-4.9
             - gcc-4.9
+sudo: required
+dist: trusty            
+group: deprecated-2017Q4              
 before_install:
     - sudo apt-get update -qq
     - sudo apt-get install -y libwxgtk3.0-dev libgtk2.0-dev gettext libasound2-dev alsa-utils alsa-oss