Merge commit '86a2602e16171ddc10c3ec655c23b16ffa595059'

* commit '86a2602e16171ddc10c3ec655c23b16ffa595059':
  jpeg2000: Drop unused and writeonly fields
  jpeg2000: Correctly calculate sgnd

Conflicts:
	libavcodec/jpeg2000.h
	libavcodec/jpeg2000dec.c

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

libavcodec/jpeg2000dec.c

@@ -646,7 +646,6 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s,
         if (band->coord[0][0] == band->coord[0][1] ||
             band->coord[1][0] == band->coord[1][1])
             continue;
-
         nb_code_blocks =  prec->nb_codeblocks_height *
                           prec->nb_codeblocks_width;
         for (cblkno = 0; cblkno < nb_code_blocks; cblkno++) {