PlacemarkLayout: do not paint with no labels
PlacemarkLayout: do not paint with no labels

svn path=/trunk/KDE/kdeedu/marble/; revision=1205743

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