ext/ogg/gstoggdemux.c: Send EOS when deactivating.

ext/ogg/gstoggdemux.c: Send EOS when deactivating.

Original commit message from CVS:
* ext/ogg/gstoggdemux.c: (gst_ogg_demux_deactivate_current_chain):
Send EOS when deactivating.
* gst/playback/gstplaybasebin.c: (gst_play_base_bin_init),
(check_queue), (queue_threshold_reached), (queue_out_of_data),
(gen_preroll_element), (probe_triggered), (mute_stream),
(silence_stream), (new_decoded_pad), (setup_substreams),
(set_active_source):
* gst/playback/gstplaybin.c: (gst_play_bin_get_property),
(remove_sinks), (add_sink):
* gst/playback/gststreaminfo.c: (cb_probe), (gst_stream_info_new):
Change for new probe API.