Merge remote-tracking branch 'qatar/master'

* qatar/master:
  yuv4mpeg: reject unsupported codecs
  nutenc: K&R formatting cosmetics
  assdec: fix qsort() callback signature
  configure: detect sparc64 automatically
  vp8: fix memset() crossing array boundary
  h264: fix invalid pointer arithmetic
  amrwbdec: fix invalid pointer arithmetic

Conflicts:
	libavformat/nutenc.c
	libavformat/yuv4mpeg.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>