check fix for computation of adfGTFromLL for RPCs (#5395)

git-svn-id: https://svn.osgeo.org/gdal/trunk@26962 f0d54148-0727-0410-94bb-9a71ac55c965
fix for computation of adfGTFromLL for RPCs (#5395)

git-svn-id: https://svn.osgeo.org/gdal/trunk@26963 f0d54148-0727-0410-94bb-9a71ac55c965