Don't crash on the preview of an empty vCard, display an error message instead. That fixes #85345.
Don't crash on the preview of an empty vCard, display an error message
instead. That fixes #85345.

CCMAIL:85345-done@bugs.kde.org

svn path=/trunk/kdepim/; revision=330306

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