[gobject-introspection] (4 commits) Non-fast-forward update to branch th/undef-glib-version

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'th/undef-glib-version' 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:

  8f8a39b... giscanner: undef "GLIB_VERSION_{MAX_ALLOWED,MIN_REQUIRED}" 

Commits added to the branch:

  5743511... doctool: prepend the emitting object for GJS signal callbac (*)
  f02d774... Require C99 (*)
  f368929... Update GLib annotations (*)
  cde5de9... giscanner: undef "GLIB_VERSION_{MAX_ALLOWED,MIN_REQUIRED}" 

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