branch staging created (now bbdf276)

[Marius Bakke]

mbakke pushed a change to branch staging
in repository guix.

        at  bbdf276   gnu: meson: Update to 0.45.1.

This branch includes the following new commits:

       new  e7a5d40   gnu: gtk+: Update to 3.22.29.
       new  457f6f2   gnu: libxkbcommon: Update to 0.8.0.
       new  12c7713   gnu: mesa: Update to 17.3.7.
       new  bbdf276   gnu: meson: Update to 0.45.1.

The 4 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.