qapi: Tidy up indentation of add_client's example

Commit d23055b8db8 (qapi: Require descriptions and tagged sections to
be indented) indented add_client's example too much.  Revert that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-5-armbru@redhat.com>
[Move a stray hunk to the later patch it belongs to]
1 file changed