As pointed out by Christian Persch in bug 620173, all the new gdbus and gsettings headers were missing these.
It's generally hard to get this right so don't attempt to do so.
Things compile and the test-suite passes. Still need to hook up gio.symbols and docs. There are still a bunch of TODOs left in the sources that needs to be addressed. Signed-off-by: David Zeuthen <davidz@redhat.com>