upgrade to ruby 2.3.2

JonRowe · JonRowe · commit 4ffabd6fc7a5 · 2016-11-18T14:19:31.000+11:00
diff --git a/travis/.travis.yml b/travis/.travis.yml
@@ -18,7 +18,7 @@ rvm:
   - 2.0.0
   - 2.1
   - 2.2.5
-  - 2.3.1
+  - 2.3.2
   - 2.4.0-preview1
   - ruby-head
   - ree
