/vsizip/ on >4GB zips: accept .zip declare 0 disks (#5615)

git-svn-id: https://svn.osgeo.org/gdal/branches/1.11@27601 f0d54148-0727-0410-94bb-9a71ac55c965
OpenFileGDB: add compatibility with .gdbtable files bigger than 4 GB (#5615)

git-svn-id: https://svn.osgeo.org/gdal/branches/1.11@27602 f0d54148-0727-0410-94bb-9a71ac55c965