AbstractScanlineTextureMapper: Do not unnecessarily check for lat/lon < 0.
AbstractScanlineTextureMapper: Do not unnecessarily check for lat/lon < 0.

svn path=/trunk/KDE/kdeedu/marble/; revision=1170389

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