fix wonky travis.yml syntax, silly me

keithamus · keithamus · commit ba84c4c5f03e · 2016-01-28T21:00:59.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 sudo: false
 caches:
-  - bundler
+  bundler: true
   directories:
     - node_modules
 branches:
