Bug 673527 - Addressbook bulk methods are broken
Bug 673527 - Addressbook bulk methods are broken

Fixes bulk methods in addressbook file backend, that was broken by:
e144f7b5b0aba6e7903c3c98c4db792fddbf9c50

Distrotech/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server