Add Bcc to the list of fields to match for <Recipients> so searching in the sent folder finds them as well.
Add Bcc to the list of fields to match for <Recipients> so searching in the
sent folder finds them as well.

svn path=/trunk/kdepim/; revision=235311

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi