add dist:trusty in travis-ci file

modiamir · modiamir · commit 40fec7a72e7d · 2017-09-02T09:22:00.000+04:30
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,7 @@
 sudo: false
 
+dist: trusty
+
 language: php
 
 php:
