error.h: Do not circularly depend on avutil.h
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  error.h: Do not circularly depend on avutil.h

See: 7c2bb79f3b849d12800856379063f99f3b018678
Merged-by: Michael Niedermayer <michaelni@gmx.at>
matroskadec: Fix bug when parsing realaudio codec parameters

flavor can be 0.

This fixes tract ticket #3214

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>