Only set the folderstorage type if the right annotation is read from the config file.
Only set the folderstorage type if the right annotation is read from the
config file.

svn path=/trunk/kdepim/; revision=367128

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