[gnome-control-center] (4 commits) Non-fast-forward update to branch benzea/window-title-fix

[Benjamin Berg <bberg src gnome org>]

The branch 'benzea/window-title-fix' 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:

  aee4220... display: Reset the window title after removing custom heade

Commits added to the branch:

  0946557... printers: Use const for manufacturer string (*)
  aeca65c... wacom: Replace GObject boilerplate with G_DECLARE_TYPE (*)
  b51af0f... wacom: Replace ifdefs with #pragma once (*)
  57578e1... display: Reset the window title after removing custom heade

(*) This commit already existed in another branch; no separate mail sent