* commit 'f5962229':
  avplay: use audio parameters from the decoded frame instead of AVCodecContext
  dca: allocate a secondary buffer for extra channels when downmixing
  configure: use utilities from /usr/xpg4/bin if it exists
  avstring-test: fix memory leaks

Conflicts:
	ffplay.c
	libavcodec/dcadec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>