[mutter] (3 commits) Non-fast-forward update to branch wip/carlosg/primary-wayland-protocols

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/primary-wayland-protocols' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  eb6b21d... wayland: Rename gtk primary protocol files to "legacy"
  f2aabea... build: Build scaffolding for primary-selection wayland prot
  01d38fc... wayland: Add support for wayland-protocols primary selectio

Commits added to the branch:

  037b68a... wayland: Rename gtk primary protocol files to "legacy"
  55f5177... build: Build scaffolding for primary-selection wayland prot
  37582fd... wayland: Add support for wayland-protocols primary selectio