[Dovecot] [PATCH] move iolist functions into separate file

Hello,

attached patch extracts iolist related functions into separate file and makes it a little more generic. This functions will be used by the new ioloop handler based on the BSD kqueue API.

Please consider applying.

Best regards.

-- Andrey Panin | Linux and UNIX system administrator pazke@donpac.ru | PGP key: wwwkeys.pgp.net