Update ferm-tun.conf.j2

gre/files/ferm-tun.conf.j2

@@ -3,10 +3,10 @@ domain (ip ip6) {
     chain INPUT {
       proto gre saddr (
 {% for name, interface in pillar.ifaces.items() if 'mode' in interface %}
-{%- if interface.mode == 'gretun' -%}
+{% if interface.mode == 'gretun' -%}
         {{ interface.remote }}
-{%- endif %}
-{%- endfor %}
+{% endif %}
+{% endfor %}
       ) ACCEPT;
     }
   }