Update to 2.0.30.

What's New in 2.0.30

• gpg: Avoid too early timeout during key generation with 2.1 cards.
• agent: Fixed printing of ssh fingerprints for 384 bit ECDSA keys.
• agent: Fixed an alignment bug related to the passphrase confirmation.
• scdaemon: Fixed a "conflicting usage" bug.
• scdaemon: Fixed usb card reader removal problem on Windows 8 and later.
• Fixed a problem on AIX due to peculiarity with RLIMIT_NOFILE.
• Updated the Japanese and Dutch translations.
• Fixed a few other bugs.