travis: Update bundler

okkez · okkez · commit 796e5ce08dda · 2017-06-06T14:18:04.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,3 +5,5 @@ rvm:
   - 2.2
   - 2.3
   - 2.4.1
+
+before_install: gem uodate bundler

-Original file line number
+Diff line change
   - 2.2
   - 2.3
   - 2.4.1
++
 +before_install: gem uodate bundler