Fix Travis dist keyword to actually use correct distro

clue · clue · commit 96ece576dc56 · 2017-08-04T16:14:46.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,7 +9,7 @@ php:
   - hhvm # ignore errors, see below
 
 # lock distro so new future defaults will not break the build
-distro: trusty
+dist: trusty
 
 matrix:
   include:
