add go 1.11 to travis

diff --git a/.travis.yml b/.travis.yml
index 772e140f19d3b22141a18234a1ca1f3249f47336..a6b90ed4f477de942559a4a26a3901285c1c33f7 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ services:
 language: go
 go:
   - "1.12.x"
+  - "1.11.x"
 
 install:
 # This script is used by the Travis build to install a cookie for