sys/osxaudio/gstosxaudiosink.c: Register osxaudiosrc to the plugin.

sys/osxaudio/gstosxaudiosink.c: Register osxaudiosrc to the plugin.

Original commit message from CVS:
2006-04-28  Zaheer Abbas Merali  <zaheerabbas at merali dot org>

* sys/osxaudio/gstosxaudiosink.c:
(plugin_init):
Register osxaudiosrc to the plugin.
* sys/osxaudio/gstosxaudiosrc.c:
(gst_osx_audio_src_osxelement_do_init),
(gst_osx_audio_src_base_init), (gst_osx_audio_src_class_init),
(gst_osx_audio_src_init), (gst_osx_audio_src_set_property),
(gst_osx_audio_src_get_property),
(gst_osx_audio_src_create_ringbuffer), (gst_osx_audio_src_io_proc),
(gst_osx_audio_src_osxelement_init):
* sys/osxaudio/gstosxaudiosrc.h:
Port of osxaudiosrc to 0.10.
* sys/osxaudio/Makefile.am:
Add osxaudiosrc