[gtk] (3 commits) Non-fast-forward update to branch fix-3793-4-2

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'fix-3793-4-2' 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:

  774e7e4... gdksurface-win32.c: Fix formatting for popup functions
  7ebff11... gdksurface-win32.c: Fix up popup placement

Commits added to the branch:

  807537d... Update Portuguese translation (*)
  16da71f... gdksurface-win32.c: Fix formatting for popup functions
  90bd5a0... gdksurface-win32.c: Fix up popup placement

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