added a comment to explain exactly why encrypted message are stored in decrypted form and how this could be changed...
added a comment to explain exactly why encrypted message are stored in decrypted form and how this could be changed...

svn path=/trunk/kdenetwork/kmail/; revision=162464

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