Ensure travis Levant clone is clean for releases.

Author: jrasell

.travis.yml

@@ -5,8 +5,8 @@ go:
 - "1.11"
 before_script:
   - wget https://github.com/goreleaser/goreleaser/releases/download/v0.101.0/goreleaser_Linux_x86_64.tar.gz -O /tmp/goreleaser.tar.gz
-  - tar -xvf /tmp/goreleaser.tar.gz
-  - sudo mv goreleaser /usr/local/bin/
+  - tar -xvf /tmp/goreleaser.tar.gz -C /tmp/
+  - sudo mv /tmp/goreleaser /usr/local/bin/
 script:
 - make tools
 - make