[gtksourceview] (3 commits) Non-fast-forward update to branch wip/dust-context-engine

[Sébastien Wilmet <swilmet src gnome org>]

The branch 'wip/dust-context-engine' 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:

  3ddda0f... engine: line-up function parameters
  dbf3c5e... engine: remove unused error type
  ecc051e... engine: minor code style fixes

Commits added to the branch:

  ba7202b... engine: line-up function parameters (*)
  ce4b2d3... engine: remove unused error type (*)
  3beb59d... engine: minor code style fixes

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