branch core-updates updated (f61d39a -> a6aff35)

[Leo Famulari]

lfam pushed a change to branch core-updates
in repository guix.

      from  f61d39a   gnu: perl-authen-sasl: Fix build with Perl 5.26.0.
       new  14c7790   gnu: libtiff: Fix several bugs related to improper codec 
usage [security fixes].
       new  a6aff35   gnu: libtiff: Build with the default compiler.

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/local.mk                                       |   1 +
 gnu/packages/image.scm                             |   4 +-
 .../patches/libtiff-tiffgetfield-bugs.patch        | 201 +++++++++++++++++++++
 3 files changed, 203 insertions(+), 3 deletions(-)
 create mode 100644 gnu/packages/patches/libtiff-tiffgetfield-bugs.patch