Fix crash on exit: don't downcast here, the object isn't a QAbstractItemView anymore when emitting destroyed() 
Fix crash on exit: don't downcast here, the object isn't a QAbstractItemView anymore when emitting destroyed() 

svn path=/branches/work/kdab-post-4.0/kdepim/; revision=736519

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