Fix firewall role.

pflog was creating /-i as a file because the logfile was undefined.

ansible/roles/firewall/tasks/freebsd.yaml

@@ -67,3 +67,11 @@
     value: "{{ item.dev }}"
     path: /etc/rc.conf.d/pflog
   loop: "{{ pflog_conf }}"
+
+- name: Set pflog logfile names
+  notify: restart pflog
+  community.general.sysrc:
+    name: "pflog_{{item.name}}_logfile"
+    value: "{{ item.logfile|default('/var/log/' + item.dev) }}"
+    path: /etc/rc.conf.d/pflog
+  loop: "{{ pflog_conf }}"