Usually int is used for tile level variables, so use it here too.
Usually int is used for tile level variables, so use it here too.

svn path=/trunk/KDE/kdeedu/marble/; revision=1080568

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