[gtksourceview] (2 commits) Non-fast-forward update to branch wip/various-stuff

[Sébastien Wilmet <swilmet src gnome org>]

The branch 'wip/various-stuff' 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:

  b653631... Completion: weak reference to the view
  ddea2f1... Revert "Prevent construction of completion after dispose ha

Commits added to the branch:

  6a31bd5... Completion: weak reference to the view
  b7ebd4a... Revert "Prevent construction of completion after dispose ha