[gtksourceview] (4 commits) Non-fast-forward update to branch wip/smart-backspace

[Sébastien Wilmet <swilmet src gnome org>]

The branch 'wip/smart-backspace' 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:

  7f03928... view: fix bug in smart-backspace
  bfeeffa... view: improvements of do_smart_backspace()
  64ea90e... view: add configuration to the smart-backspace

Commits added to the branch:

  fbbb247... C: add offsetof and typeof (*)
  02f930c... view: fix bug in smart-backspace (*)
  5dd7742... view: improvements of do_smart_backspace() (*)
  7253929... view: add configuration to the smart-backspace

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