fix header issue

firewalld/files/firewalld.conf

-{{pillar['headers']['salt']['file']}}
 {% set firewalld  = pillar.get('firewalld', {}) -%}
 # firewalld config file
 

firewalld/files/service.xml

 <?xml version="1.0" encoding="utf-8"?>
-{{pillar['headers']['salt']['xml']}}
 <service>
 {% if 'short' in service %}<short>{{ service.short }}</short>{% else %}<short>{{ name }}</short>{% endif %}
 {% if 'description' in service %}<description>{{ service.description }}</description>{% endif %}

firewalld/files/zone.xml

 <?xml version="1.0" encoding="utf-8"?>
-{{pillar['headers']['salt']['xml']}}
 <zone{% if 'target' in zone %} target="{{ zone.target }}"{% endif %}>
 {% if 'short' in zone %}<short>{{ zone.short }}</short>{% else %}<short>{{ name }}</short>{% endif %}
 {% if 'description' in zone %}<description>{{ zone.description }}</description>{% endif %}