ext/ogg/gstoggdemux.c: Reorganize code to send the right disconts when in streaming...

ext/ogg/gstoggdemux.c: Reorganize code to send the right disconts when in streaming mode.

Original commit message from CVS:
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_init), (gst_ogg_pad_event),
(gst_ogg_pad_internal_chain), (gst_ogg_pad_typefind),
(gst_ogg_demux_chain_elem_pad), (gst_ogg_demux_queue_data),
(gst_ogg_demux_chain_peer), (gst_ogg_pad_submit_packet),
(gst_ogg_pad_submit_page), (gst_ogg_chain_new),
(gst_ogg_demux_init), (gst_ogg_demux_deactivate_current_chain),
(gst_ogg_demux_activate_chain), (gst_ogg_demux_perform_seek),
(gst_ogg_demux_read_chain), (gst_ogg_demux_find_pad),
(gst_ogg_demux_collect_chain_info), (gst_ogg_demux_collect_info),
(gst_ogg_demux_find_chains), (gst_ogg_demux_chain),
(gst_ogg_demux_send_event), (gst_ogg_demux_loop),
(gst_ogg_demux_change_state), (gst_ogg_print):
Reorganize code to send the right disconts when in streaming
mode.