[gtk] (6 commits) Non-fast-forward update to branch wip/otte/gdk-headers

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/gdk-headers' 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:

  82d7e02... win32: Don't include gdkinternals.h
  b6ff883... macos: Don't include gdkinternals.h
  26a1762... x11: Don't include gdkinternals.h
  8f21539... win32: Fix gcc warnings
  afe8887... wayland: Don't include gdkinternals.h
  9f78a4f... gdk: Remove gdkinternals.h

Commits added to the branch:

  7162c68... win32: Don't include gdkinternals.h
  4e14b15... macos: Don't include gdkinternals.h
  3b052ca... x11: Don't include gdkinternals.h
  5b799a6... win32: Fix gcc warnings
  4d83d67... wayland: Don't include gdkinternals.h
  bd51ac3... gdk: Remove gdkinternals.h