* commit 'a1c525f7':
  pcx: return meaningful error codes.
  tmv: return meaningful error codes.
  msrle: return meaningful error codes.
  cscd: return meaningful error codes.
  yadif: x86: fix build for compilers without aligned stack
  lavc: introduce the convenience function init_get_bits8
  lavc: check for overflow in init_get_bits

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