Execute the precommand even if there is no mail.
Execute the precommand even if there is no mail.

svn path=/trunk/kdenetwork/kmail/; revision=96688

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