fix .travis.yml

.travis.yml

@@ -9,10 +9,9 @@ go:
 before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -y libpam-dev
+  - go get github.com/msteinert/pam 
 
-script:
-	- go get github.com/msteinert/pam 
-	- go build -v -tags "pam"
+script: go build -v -tags "pam"
 
 notifications:
   email: