branch core-updates updated (89ccb1d -> 20be64d)

[Leo Famulari]

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

      from  89ccb1d   gnu: gmp: Update to 6.1.2.
       new  20be64d   gnu: tar: Fix CVE-2016-6321.

The 1 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/base.scm                        |    3 +-
 gnu/packages/patches/tar-CVE-2016-6321.patch |   51 ++++++++++++++++++++++++++
 3 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/tar-CVE-2016-6321.patch