Updated travis config to make it consistent.

mikeller · mikeller · commit 7668981ee15e · 2018-05-21T13:53:35.000+12:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,11 +1,18 @@
-dist: trusty
+os:
+  - linux
+
 sudo: false
 
+dist: trusty
+
 addons:
   apt:
     packages:
       - lua5.2
 
+git:
+  depth: 5
+
 language: c
 
 install:
