ext/alsa/gstalsa.c: really start/stop clock only on PLAYING <=> PAUSED

ext/alsa/gstalsa.c: really start/stop clock only on PLAYING <=> PAUSED

Original commit message from CVS:
2004-01-31  Benjamin Otte  <in7y118@public.uni-hamburg.de>

* ext/alsa/gstalsa.c: (gst_alsa_change_state), (gst_alsa_start),
(gst_alsa_drain_audio), (gst_alsa_stop_audio):
really start/stop clock only on PLAYING <=> PAUSED
* ext/alsa/gstalsasink.c: (gst_alsa_sink_loop):
remove \n from debugging lines
* ext/ogg/gstoggdemux.c: (gst_ogg_demux_chain):
make it work when seeking does not
* ext/vorbis/vorbisdec.c: (vorbis_dec_event):
reset on DISCONT