fix(pillar.example): fix yamllint error

* https://travis-ci.org/myii/php-formula/builds/594703019#L208-L210 ```bash $ yamllint -s . ./pillar.example 151:30 error forbidden implicit octal value "0660" (octal-values) ```
2019-10-07 19:15:57 +01:00 · 2019-10-07 19:15:57 +01:00 · 1b1747a003
commit 1b1747a003
parent e0aa56f4e1
1 changed files with 1 additions and 1 deletions
--- a/pillar.example
+++ b/pillar.example
@ -148,7 +148,7 @@ php:
            listen: /var/run/php5-fpm-myapp.sock
            listen.owner: www-data
            listen.group: www-data
-            listen.mode: 0660
+            listen.mode: '0660'
            pm: dynamic
            pm.max_children: 5
            pm.start_servers: 2