Applications might call save despite not having changed anything. Just return successfully.
Applications might call save despite not having changed anything.
Just return successfully.

svn path=/trunk/KDE/kdepim/; revision=926977

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