Log Message:
Updated gnupg21 to 2.1.12.

Noteworthy changes in version 2.1.12 (2016-05-04)
-------------------------------------------------

 * gpg: New --edit-key sub-command "change-usage" for testing
   purposes.

 * gpg: Out of order key-signatures are now systematically detected
   and fixed by --edit-key.

 * gpg: Improved detection of non-armored messages.

 * gpg: Removed the extra prompt needed to create Curve25519 keys.

 * gpg: Improved user ID selection for --quick-sign-key.

 * gpg: Use the root CAs provided by the system with --fetch-key.

 * gpg: Add support for the experimental Web Key Directory key
   location service.

 * gpg: Improve formatting of Tofu messages and emit new Tofu specific
   status lines.

 * gpgsm: Add option --pinentry-mode to support a loopback pinentry.

 * gpgsm: A new pubring.kbx is now created with the header blob so
   that gpg can detect that the keybox format needs to be used.

 * agent: Add read support for the new private key protection format
   openpgp-s2k-ocb-aes.

 * agent: Add read support for the new extended private key format.

 * agent: Default to --allow-loopback-pinentry and add option
   --no-allow-loopback-pinentry.

 * scd: Changed to use the new libusb 1.0 API for the internal CCID
   driver.

 * dirmngr: The dirmngr-client does now auto-detect the PEM format.

 * g13: Add experimental support for dm-crypt.

 * w32: Tofu support is now available with the Speedo build method.

 * w32: Removed the need for libiconv.dll.

 * The man pages for gpg and gpgv are now installed under the correct
   name (gpg2 or gpg - depending on a configure option).

 * Lots of internal cleanups and bug fixes.