Fix typo

linux/files/resolv.conf

@@ -3,7 +3,7 @@
 {% if network.resolv.get('search', False) -%}
 search {{ network.resolv.search|join(' ') }}
 {%- endif %}
-{% if network.resolv.get('domain' False) -%}
+{% if network.resolv.get('domain', False) -%}
 domain {{ network.resolv.domain }}
 {%- endif %}
 {%- for nameserver in network.resolv.dns %}