unbreak the collection tree view a bit
unbreak the collection tree view a bit

svn path=/branches/work/akonadi-ports/kdepim/; revision=1015903

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