[libwnck] (5 commits) Non-fast-forward update to branch wip/muktupavels/modernize

[Alberts Muktupāvels <muktupavels src gnome org>]

The branch 'wip/muktupavels/modernize' 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:

  949c112... use upstream gettext

Commits added to the branch:

  d76f072... use upstream gettext
  3bc702f... selector: avoid deprecated gdk_screen_get_number
  fcda408... tasklist: avoid deprecated gdk_screen_get_number
  fb34812... pager: avoid deprecated gdk_screen_get_number
  65c7afd... selector: avoid warning