Fix Bug#43871: Automatically include bcc-header doesn't work since kde 3.0 The problem was that a custom Bcc header was overwritten during distribution list expansion even if the Bcc entry field was empty.
Fix Bug#43871: Automatically include bcc-header doesn't work since kde 3.0
The problem was that a custom Bcc header was overwritten during distribution list expansion even if the Bcc entry field was empty.

svn path=/trunk/kdenetwork/kmail/; revision=161358

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