Fix OGR plugin driver loading

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27414 f0d54148-0727-0410-94bb-9a71ac55c965
NULL, Selafin: implement ICreateLayer()

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27415 f0d54148-0727-0410-94bb-9a71ac55c965