branch staging updated (20c50e4 -> bcf7da6)

[Efraim Flashner]

efraim pushed a change to branch staging
in repository guix.

      from  20c50e4   gnu: mesa: Enable floating point textures.
       new  3bc19ad   gnu: cups-filters: Update to 1.13.1.
       new  e767d4e   gnu: poppler: Update to 0.50.0.
       new  5ca4f4c   gnu: harfbuzz: Update to 1.3.4.
       new  0dd4ed2   gnu: cairo: Update to 1.14.8.
       new  bcf7da6   gnu: cairomm: Update to 1.12.2.

The 5 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/cups.scm |   14 +++++++++-----
 gnu/packages/gtk.scm  |   23 +++++++++++------------
 gnu/packages/pdf.scm  |    9 +++++----
 3 files changed, 25 insertions(+), 21 deletions(-)