[gtk-doc] (4 commits) Non-fast-forward update to branch wip/xclaesse/fixes-for-glib

[Xavier Claessens <xclaesse src gnome org>]

The branch 'wip/xclaesse/fixes-for-glib' 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:

  28dd02d... scanner: special case G_DECLARE_*
  c4b5469... Ignore standard struct members
  2e47f85... Fix typo when building with --enable-debug
  cd0c8b0... Fix unions not being treated consistently like structs

Commits added to the branch:

  238b89b... Fix typo when building with --enable-debug (*)
  19ad99f... Fix unions not being treated consistently like structs (*)
  82e51cc... scanner: special case G_DECLARE_*
  e543a2a... Ignore standard struct members

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