Original commit message from CVS:
* ext/ogg/gstoggmux.c: (gst_ogg_mux_request_new_pad),
(gst_ogg_mux_push_buffer), (gst_ogg_mux_dequeue_page),
(gst_ogg_mux_pad_queue_page), (gst_ogg_mux_queue_pads),
(gst_ogg_mux_collected):
Fix EOS handling, partially. Now forwarding an EOS event once we have
EOS on all pads works correctly. However, we still don't properly set
EOS on the actual ogg stream pages.