adding some quotes for safety

roles/openshift_logging/tasks/generate_secrets.yaml

@@ -17,7 +17,7 @@
 - name: Generating secrets for logging components
   template: src=secret.j2 dest={{mktemp.stdout}}/templates/{{secret_name}}-secret.yaml
   vars:
-    secret_name: logging-{{component}}
+    secret_name: "logging-{{component}}"
     secret_key_file: "{{component}}_key"
     secret_cert_file: "{{component}}_cert"
     secrets: