Keep the original encoding if possible when forwarding/redirecting via a filter rule.
Keep the original encoding if possible when forwarding/redirecting via a
filter rule.

svn path=/trunk/kdenetwork/kmail/; revision=128332

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