Simplify MarblePart::showFullScreen.
Simplify MarblePart::showFullScreen.

svn path=/trunk/KDE/kdeedu/marble/; revision=941296

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