KeyFilterImplBase::matches(): fix != where == would be correct. Extract Method is_card_key()
KeyFilterImplBase::matches(): fix != where == would be correct. Extract Method is_card_key()

svn path=/branches/kdepim/enterprise4/kdepim/; revision=1004201

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