invalidate the persistant indices before deleting them; For later use.
invalidate the persistant indices before deleting them; For later use.

svn path=/trunk/KDE/kdeedu/marble/; revision=894653

oberluz/marble,David-Gil/marble-dev,tucnak/marble,adraghici/marble,tzapzoor/marble,David-Gil/marble-dev,AndreiDuma/marble,Earthwings/marble,oberluz/marble,tucnak/marble,quannt24/marble,oberluz/marble,adraghici/marble,tzapzoor/marble,AndreiDuma/marble,AndreiDuma/marble,probonopd/marble,tzapzoor/marble,adraghici/marble,tucnak/marble,rku/marble,oberluz/marble,utkuaydin/marble,David-Gil/marble-dev,quannt24/marble,oberluz/marble,tzapzoor/marble,quannt24/marble,probonopd/marble,tucnak/marble,utkuaydin/marble,David-Gil/marble-dev,probonopd/marble,rku/marble,Earthwings/marble,utkuaydin/marble,rku/marble,Earthwings/marble,probonopd/marble,rku/marble,tucnak/marble,tzapzoor/marble,probonopd/marble,probonopd/marble,tzapzoor/marble,probonopd/marble,quannt24/marble,David-Gil/marble-dev,rku/marble,tzapzoor/marble,utkuaydin/marble,AndreiDuma/marble,rku/marble,adraghici/marble,utkuaydin/marble,tucnak/marble,quannt24/marble,quannt24/marble,adraghici/marble,quannt24/marble,oberluz/marble,utkuaydin/marble,tzapzoor/marble,tucnak/marble,AndreiDuma/marble,David-Gil/marble-dev,Earthwings/marble,AndreiDuma/marble,Earthwings/marble,Earthwings/marble,adraghici/marble