[dovecot] Fix ldap queries.

group_vars/dovecot.yml

 glob_dovecot:
   ldap_dn: 'cn=dovecot,ou=service-users,dc=crans,dc=org'
+  inet_listener: "{{ query('ldap', 'ip', ansible_hostname, 'adm') | ipwrap | join(', ') }}"

roles/dovecot/templates/dovecot/conf.d/10-master.conf.j2

@@ -16,7 +16,7 @@ default_process_limit = 500
 
 service imap-login {
   inet_listener imap {
-    address = 127.0.0.1, {{ query('ldap', 'ip', inventory_hostname, 'adm') | ipwrap }}
+    address = 127.0.0.1, {{ dovecot.inet_listener }}
     port = 143
   }
   inet_listener imaps {
@@ -39,7 +39,7 @@ service imap-login {
 
 service pop3-login {
   inet_listener pop3 {
-    address = 127.0.0.1, {{ query('ldap', 'ip', inventory_hostname, 'adm') | ipwrap }}
+    address = 127.0.0.1, {{ dovecot.inet_listener }}
     port = 110
   }
   inet_listener pop3s {