don't crash on empty files (DwString can't mmap it, so it's destructor calls abort()) CCMAIL: 61568-close@bugs.kde.org
don't crash on empty files (DwString can't mmap it, so it's destructor calls abort())
CCMAIL: 61568-close@bugs.kde.org

svn path=/trunk/kdepim/; revision=252658

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