sys/sunaudio/gstsunaudio.c: Apply patch from and cleaning up code a bit. Also ran...

sys/sunaudio/gstsunaudio.c: Apply patch from and cleaning up code a bit.  Also ran indent-gst.

Original commit message from CVS:
Reviewed by:  David Schleef  <ds@schleef.org>
* sys/sunaudio/gstsunaudio.c: (plugin_init):  Apply patch from
Bala, registering sunaudiosrc (oops!), and cleaning up code a
bit.  Also ran indent-gst.
* sys/sunaudio/gstsunaudiosrc.c: (gst_sunaudiosrc_init),
(gst_sunaudiosrc_change_state), (gst_sunaudiosrc_get),
(gst_sunaudiosrc_setparams):