Clear the list of encryption key ids if the user selected 'Send Unencrypted' because else we'll send encrypted messages that only the sender can decrypt.
Clear the list of encryption key ids if the user selected 'Send Unencrypted' because else we'll send encrypted messages that only the sender can decrypt.

svn path=/trunk/kdepim/; revision=274040

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