* commit '217e4ff4':
  dca: Support for XLL (lossless extension)

Conflicts:
	Changelog
	doc/general.texi
	libavcodec/Makefile
	libavcodec/dca.h
	libavcodec/dca_exss.c
	libavcodec/dcadata.h
	libavcodec/dcadec.c
	libavcodec/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>