branch master updated (5babe52 -> 9311722)

[Kei Kebreau]

kkebreau pushed a change to branch master
in repository guix.

      from  5babe52   system: Don't emit a GRUB 'search' command when passed a 
GRUB file name.
       new  9311722   gnu: Add optipng.

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/packages/image.scm |   33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)