[gtk] (2 commits) Non-fast-forward update to branch bilelmoussaoui/gdk-content-formats-annotations

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

The branch 'bilelmoussaoui/gdk-content-formats-annotations' 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:

  b3509e4... gdk: add length annotation to gdk_content_formats_get_mime_
  8a879d4... gdk: add zero-terminated annotation to content_formats_get_

Commits added to the branch:

  e473e7a... gdk: fix content_formats_get_mime_types annotation
  ec38e53... gdk: add zero-terminated annotation to content_formats_get_