* qatar/master:
  mlpdsp: adding missing file
  dsputil: split out mlp dsp function
  sh4: add required #include, fix build
  averror: make error values proper negative values
  build: do not use LIB as variable name
  build: whitespace cosmetics
  build: remove single-use variable THIS_LIB

Conflicts:
	libavutil/error.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>