Don't crash when importing two messages and the first import failed, because then the folder was not created yet, and KMail tried to add the message to a non-existant folder.
Don't crash when importing two messages and the first import failed, because then
the folder was not created yet, and KMail tried to add the message to a non-existant
folder.

svn path=/trunk/KDE/kdepim/; revision=1020484

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