Extension:CentralNotice/cn notice languages table

nl_notice_id
Primary key.

nl_language
Primary key.

Schema summary
mysql> describe cn_notice_languages; +--+--+--+-+-+---+ +--+--+--+-+-+---+ +--+--+--+-+-+---+
 * Field       | Type             | Null | Key | Default | Extra |
 * nl_notice_id | int(10) unsigned | NO  | PRI | NULL    |       |
 * nl_language | varbinary(32)    | NO   | PRI | NULL    |       |