Original commit message from CVS:
2006-03-11 Christophe Fergeau <teuf@gnome.org>
Reviewed by: Tim-Philipp Müller <tim at centricular dot net>
* configure.ac:
* gst/xingheader/Makefile.am:
* gst/xingheader/gstxingmux.c:
* gst/xingheader/gstxingmux.h: added new element to add Xing headers
to MP3 files (this allows decoder to figure out the length of VBR
files)