fix(indent): properly indent file.directory block

This is a followup on #250.

The patch I sent here suffered from a case of bad copy-n-paste and
missed half a level of indentation. Sorry.

mysql/server.sls

@@ -145,11 +145,11 @@ mysql_initialize:
 
 {%- if os_family in ['FreeBSD'] and mysql.serverpkg.lower() != 'mariadb-server' %}
 mysql_initialize:
- file.directory:
-   - name: /var/log/mysql
-   - user: mysql
-   - group: mysql
-   - mode: '0750'
+  file.directory:
+    - name: /var/log/mysql
+    - user: mysql
+    - group: mysql
+    - mode: '0750'
   cmd.run:
     - name: /usr/local/libexec/mysqld --initialize-insecure --user=mysql --basedir=/usr/local --datadir={{ mysql_datadir }}
     - runas: root