gst/audioconvert/gstaudioconvert.c: set rank to PRIMARY

gst/audioconvert/gstaudioconvert.c: set rank to PRIMARY

Original commit message from CVS:
2004-02-22  Benjamin Otte  <otte@gnome.org>

reported by: Stefan Kost <kost@imn.htwk-leipzig.de>

* gst/audioconvert/gstaudioconvert.c: (plugin_init):
set rank to PRIMARY
* gst/volume/gstvolume.c: (plugin_init):
set rank to NONE
fixes #134960

2004-02-22   Julio M. Merino Vidal <jmmv@menta.net>

reviewed by Benjamin Otte  <otte@gnome.org>

* ext/flac/gstflacenc.c: (gst_flacenc_chain):
escape NULL strings in GST_ELEMENT_ERROR properly (fixes #135116)