branch master updated (37ecf2d -> d54ca1c)

[guix-commits]

vagrantc pushed a change to branch master
in repository guix.

      from  37ecf2d   gnu: diffoscope: Enable even more tests.
       new  68fea60   gnu: Add pngsuite.
       new  d54ca1c   gnu: Add sng.

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/packages/image.scm              | 73 +++++++++++++++++++++++++++++++++++++
 gnu/packages/package-management.scm |  1 +
 2 files changed, 74 insertions(+)