Log Message:
Changes 2.12.3:
* libgnutls: Several minor bugfixes.
* libgnutls: Restored HMAC-MD5 for compatibility. Although considered weak,
  several sites require it for connection. It is enabled for "NORMAL" and
  "PERFORMANCE" priority strings.
* libgnutls: depend on libdl.
* libgnutls: gnutls_transport_set_global_errno() was deprecated. Use your
  system's errno fascility or gnutls_transport_set_errno().
* gnutls-cli: Correction with usage of select to check for pending data in
  gnutls sessions. It now uses gnutls_record_check_pending().
* tests: More fixes and updates for win32. Patches by LRN.
* libgnutls: Several files unnecessarily included <gcrypt.h>; this has been
  fixed.
** API and ABI modifications: gnutls_transport_set_global_errno: DEPRECATED

Changes 2.12.2:
* libgnutls: Several updates and fixes for win32. Patches by LRN.
* libgnutls: Several bug and memory leak fixes.
* srptool: Accepts the -d option to enable debugging.
* libgnutls: Corrected bug in gnutls_srp_verifier() that prevented the
  allocation of a verifier. Reported by Andrew Wiseman.

Changes 2.12.1:
* certtool: Generated certificate request with stricter permissions.
* libgnutls: Bug fixes in opencdk code. Reported by Vitaly Kruglikov.
* libgnutls: Corrected windows system_errno() function prototype.
* libgnutls: C++ compatibility fix for compat.h. Reported by Mark Brand.
* libgnutls: Fix size of gnutls_openpgp_keyid_t by using the
  GNUTLS_OPENPGP_KEYID_SIZE definition. Reported by Andreas Metzler.