gcab-0.6-2.1

- Update to version 0.6:
  + Fix for the AFL-detected crashes.
  + Add file information getters (get_attributes(), get_date(),
    get_size()).
  + gcab learned --list-details to list files with those
    informations.
  + Fix the file date when creating cab.
  + Build-sys fixes.

- Add gcab-checksum.patch: fix checksum computation (bgo#746580).

- Update to version 0.5:
  + Fix path traversal: do not escape from output directory.
  + Add gcab_cabinet_get_signature().
  + Build warning fixes.
  + Updated translations.
- Drop gcab-CVE-2015-0552.patch: fixed upstream.

- Add gcab-CVE-2015-0552.patch: Avoid path traversal (boo#911814,
  bgo#742331, CVE-2015-0552).

- Initial package, version 0.4.