Log Message:
gnutls: Update to 3.6.11.1

Not sure of 3.6.11.1's specific changes - possibly fixing an incorrectly
generated tarball?

These changes from apply:

* Version 3.6.11 (released 2019-12-01)

** libgnutls: Use KERN_ARND for the system random number generator on NetBSD.
   This syscall provides an endless stream of random numbers from the kernel's
   ChaCha20-based random number generator, without blocking or requiring an open file
   descriptor.

** libgnutls: Corrected issue with TLS 1.2 session ticket handling as client
   during resumption (#841).

** libgnutls: gnutls_base64_decode2() succeeds decoding the empty string to
   the empty string. This is a behavioral change of the API but it conforms
   to the RFC4648 expectations (#834).

** libgnutls: Fixed AES-CFB8 implementation, when input is shorter than
   the block size. Fix backported from nettle.

** certtool: CRL distribution points will be set in CA certificates even when
   non self-signed (#765).

** gnutls-cli/serv: added raw public-key handling capabilities (RFC7250).
   Key material can be set via the --rawpkkeyfile and --rawpkfile flags.

** API and ABI modifications:
No changes since last version.