Fixed a warning in maildrop plugin.

tbrehm

2011-09-07 c719dc0b1dd696e0cd6b51f09ee13c8263375f7c

 install/tpl/mysql-virtual_forwardings.cf.master

@@ -4,5 +4,5 @@
table = mail_forwarding
select_field = destination
where_field = source
additional_conditions = and active = 'y'
additional_conditions = and active = 'y' and server_id = {server_id}
hosts = {mysql_server_ip}