HFA: fix rewriting of statics in existing HFA file where base data value is 8-bit (patch by nflood, #5175)

git-svn-id: https://svn.osgeo.org/gdal/branches/1.10@26254 f0d54148-0727-0410-94bb-9a71ac55c965
morph central_latitude to latitude_of_origin in morphFromESRI() (#3191)

git-svn-id: https://svn.osgeo.org/gdal/branches/1.10@26258 f0d54148-0727-0410-94bb-9a71ac55c965