Force usage of precise

greg0ire · greg0ire · commit b5ea71504a1e · 2017-09-03T00:36:05.000+02:00
This is a workaround until the build works with trusty.
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,6 @@
 language: php
 sudo: false
+dist: precise
 
 cache:
     directories:
