Adding go1.12 to travis configuration

yazgazan · yazgazan · commit 1a8f74f6f38d · 2019-03-07T13:34:28.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,7 @@ go:
     - 1.9
     - "1.10"
     - 1.11
+    - 1.12
 
 before_install:
     - go get -u golang.org/x/tools/cmd/cover
