[gtk/gtk-3-22] (2 commits) ...Merge branch 'c-includes' into 'gtk-3-22'

From: Christoph Reiter <creiter src gnome org>
To: commits-list gnome org
Cc:
Subject: [gtk/gtk-3-22] (2 commits) ...Merge branch 'c-includes' into 'gtk-3-22'
Date: Sun, 4 Mar 2018 15:04:18 +0000 (UTC)

Summary of changes:

  91498c7... Include C headers in introspection file.
  464888a... Merge branch 'c-includes' into 'gtk-3-22'