autotest for #4484

git-svn-id: https://svn.osgeo.org/gdal/branches/1.10@25969 f0d54148-0727-0410-94bb-9a71ac55c965
fix reading large netcdf-4 files with chunking and DEFLATE compression (#4484)

git-svn-id: https://svn.osgeo.org/gdal/branches/1.10@25970 f0d54148-0727-0410-94bb-9a71ac55c965