[gtk/matthiasc/for-master] (12 commits) ...multiselection: Fix the select_range implementation

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  1061ad2... Add missing annotation (*)
  1f7adfd... filterlistmodel: Fix fallthrough annotations in unreachable (*)
  8bee3e2... demos: Avoid shadowing a global from time.h (*)
  ea1cc4b... filechooserwidget: Avoid an uninitialised value (*)
  10f2b11... x11: Add back support for the damage extension (*)
  f8770b7... x11: Factor out some of frame sync code into subroutines (*)
  972134a... x11: Defer _NET_WM_FRAME_DRAWN update until frame usable by (*)
  2a24459... Merge branch 'ebassi/for-master' into 'master' (*)
  f6d23f0... Merge branch 'matthiasc/for-master' into 'master' (*)
  bd06c00... Merge branch 'wip/damaged-but-no-frost-bite' into 'master' (*)
  2f1028e... set: Add a few useful functions
  99a1d10... multiselection: Fix the select_range implementation

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