MarbleModel::setupTextureMapper: add default branch for setting dangling pointer to 0.
MarbleModel::setupTextureMapper: add default branch for setting dangling pointer to 0.

svn path=/trunk/KDE/kdeedu/marble/; revision=1126354

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