Fix site-variables typo
This is breaking all jobs.
@@ -5,6 +5,6 @@ zuul_site_traceroute_host: git.openstack.org
zuul_site_image_manifest_files:
- /etc/dib-builddate.txt
- /etc/image-hostname.txt
-zuul_output_dir: "{{ ansible_user_dir }}/zuul-output
+zuul_output_dir: "{{ ansible_user_dir }}/zuul-output"
bindep_command: /usr/bindep-env/bin/bindep
bindep_fallback: /usr/local/bindep-fallback/bindep-fallback.txt
