Merge pull request #1317 from ericchiang/fix-golint-import

.travis.yml: fix golint import

.travis.yml

@@ -17,7 +17,7 @@ env:
   - DEX_POSTGRES_DATABASE=postgres DEX_POSTGRES_USER=postgres DEX_POSTGRES_HOST="localhost" DEX_ETCD_ENDPOINTS=http://localhost:2379 DEX_LDAP_TESTS=1 DEBIAN_FRONTEND=noninteractive
 
 install:
-  - go get -u github.com/golang/lint/golint
+  - go get -u golang.org/x/lint/golint
   - sudo -E apt-get install -y --force-yes slapd time ldap-utils
   - sudo /etc/init.d/slapd stop
   - docker run -d --net=host gcr.io/etcd-development/etcd:v3.2.9