ext/ogg/gstoggdemux.c: Segment done must include stream time.

ext/ogg/gstoggdemux.c: Segment done must include stream time.

Original commit message from CVS:
* ext/ogg/gstoggdemux.c: (gst_ogg_demux_configure_segment),
(gst_ogg_demux_perform_seek):
Segment done must include stream time.

* ext/ogg/gstoggmux.c: (gst_ogg_mux_class_init),
(gst_ogg_mux_clear), (gst_ogg_mux_init), (gst_ogg_mux_finalize),
(gst_ogg_mux_change_state):
Fix ogg muxer again.