Prevent exception when having empty or rejected TextureAttributes, so the parsing can go on
Prevent exception when having empty or rejected TextureAttributes, so the parsing can go on

gideonmay/osgjs,hishamabdelrahman/osgjs,cedricpinson/osgjs,jtorresfabra/osgjs,jtorresfabra/osgjs,jmirabel/osgjs,jtorresfabra/osgjs,cedricpinson/osgjs,hishamabdelrahman/osgjs,jmirabel/osgjs,gideonmay/osgjs,cedricpinson/osgjs,gideonmay/osgjs,jmirabel/osgjs,hishamabdelrahman/osgjs,kkuunnddaannkk/osgjs,kkuunnddaannkk/osgjs,kkuunnddaannkk/osgjs