Updated filezilla to 3.21.0.

3.21.0 (2016-08-23)

! Fixed a string format vulnerability introduced in 3.20.0-rc1 when listing directories using SFTP
+ SFTP: Added support for AES-GCM ciphers as implemented in OpenSSH
+ OS X: Ctrl+Tab and Ctrl+Shift+Tab can now be used to switch forward and backward between opened tabs
- Reduced time between TCP keepalive packets to 15 minutes on supporting platforms
- Fixed saving of directory listing filters with an attribute condition

3.20.1 (2016-08-03)

- Fixed rename file exists action on downloads
- Fixed possible crash if disabling log abbreviation
- Official binaries now link against a patched version of GnuTLS so that a better error message can be printed on broken servers that send malformed certificate chains

3.20.0 (2016-07-27)

+ Display error message if entering a non-existing path on local file search
+ Building and running FileZilla now depends on libfilezilla >= 0.6.1 (https://lib.filezilla-project.org/).

3.20.0-rc1 (2016-07-20)

+ Added compatibility for filenames with leading or trailing whitespace if using SFTP
+ Building and running FileZilla now depends on libfilezilla >= 0.6.0 (https://lib.filezilla-project.org/).
+ Building and running FileZilla now depends on GnuTLS 3.4.0 or higher
- Fixed regression introduced in 3.19.0-rc1, reconnecting again uses the last used remote directory instead of the initial default remote directory
- Fixed crash if creating a new site via the bookmarks dialog
- Queuing remote directories for transfer no longer exits comparison mode
- Fixed a rare crash using FTP over TLS if the control connection fails at the same time the data connection gets established
- Entering invalid regular expressions in filter and search conditions now shows an error message
- Fixed title of search dialog
- Stricter certificate chain validation to supplement the Tofu model
- *nix: Fix initial size of Site Manager dialog with some GTK versions


(wiz)