Original commit message from CVS:
Patch by: Sebastian Dröge  <slomo at ubuntu dot com>
* gst/apetag/gstapedemux.c: (ape_demux_get_gst_tag_from_tag),
(ape_demux_parse_tags):
Some clean-ups and additions: map APE 'file' tag to
GST_TAG_LOCATION (#343123); add support for extracting
the track count and clean up parsing a bit (#343127).