branch core-updates updated (8e28d22 -> a2ee6cb)

[Ludovic Courtès]

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

      from  8e28d22   gnu: libtiff: Add fixes for several CVEs.
       new  a2ee6cb   hydra: Remove GCC 4.7 from the core set, and add 4.9 and 
5.1.

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:
 build-aux/hydra/gnu-system.scm |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)