Fixed the travis build

DunaMariusCosmin · DunaMariusCosmin · commit cbc25d7cd6c1 · 2020-01-29T15:29:28.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,8 @@ addons:
     organization: "oxygenxml-github"
     token:
       secure: "${SONAR_CLOUD_TOKEN}"
+
+dist: trusty
 jdk:
  - oraclejdk8
 cache:
