* apt-pkg/deb/debindexfile.cc:

  - Use FileFd::Size() instead of stat()ing the sources/binary/translations
    indexes directly, so that we have transparent handling of gzipped
    indexes.
* apt-pkg/contrib/fileutl.cc:
  - Fix FileFd::Size() for gzipped files to give the size of the
    uncompressed data. This fixes cache building progress going way
    over 100%.