Don't crash the PluginManager if the interface is not available (because the resource process crashed for example)
Don't crash the PluginManager if the interface is not available
(because the resource process crashed for example)

svn path=/trunk/KDE/kdepim/akonadi/server/; revision=573531

kolab-groupware/akonadi,kolab-groupware/akonadi,kolab-groupware/akonadi,kolab-groupware/akonadi