Fix compile error.
Fix compile error.

svn path=/trunk/KDE/kdeedu/marble/; revision=1108872

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