Update dn42-interfaces-wireguard.j2

wireguard/files/dn42-interfaces-wireguard.j2

 {%- for peer in pillar.dn42.get('peers', []) if peer.tunnel.type == 'wireguard' %}
 
-{% if peer.name == "intern" %}
-{% set iface_prefix = "tun" %}
-{% else %}
-{% set iface_prefix = "dn42" %}
-{% endif %}
-
+{%- if peer.name == "intern" %}
+{%- set iface_prefix = "tun" %}
+{%- else %}
+{%- set iface_prefix = "dn42" %}
+{%- endif %}
 auto {{ iface_prefix }}_{{ peer.name }}
 
 {%- if 'ip4' in peer.addr.local %}
@@ -16,7 +15,7 @@ iface {{ iface_prefix }}_{{ peer.name }} inet static
     post-down ip link del dev $IFACE
 {%- endif %}
 
-{%- if 'ip6' in peer.addr.local %}
+{% if 'ip6' in peer.addr.local %}
 iface {{ iface_prefix }}_{{ peer.name }} inet6 static
     address {{ peer.addr.local.ip6.address }}/127
 {%- endif %}