Bump up to golang 1.11.x

spiegel-im-spiegel · spiegel-im-spiegel · commit f8888397527f · 2018-10-04T16:01:52.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 
 go:
-  - "1.11"
+  - "1.11.x"
 
 script:
   - env GO111MODULE=on go test ./...
