ext/gnomevfs/: add/clean up debugging

ext/gnomevfs/: add/clean up debugging

Original commit message from CVS:

* ext/gnomevfs/gstgnomevfs.c: (plugin_init):
* ext/gnomevfs/gstgnomevfssrc.c: (audiocast_init),
(audiocast_register_listener), (audiocast_thread_run),
(gst_gnomevfssrc_send_additional_headers_callback),
(gst_gnomevfssrc_received_headers_callback),
(gst_gnomevfssrc_push_callbacks), (gst_gnomevfssrc_pop_callbacks),
(gst_gnomevfssrc_get_icy_metadata), (gst_gnomevfssrc_create),
(gst_gnomevfssrc_get_size):
add/clean up debugging
* gst/audiorate/gstaudiorate.c: (gst_audiorate_init):
cleanups