message: imgcodecs: fix 4 reading channel bmp images
diff: @@ -481,8 +481,10 @@ decode_rle8_bad: ;
  if( !color )
  icvCvt_BGRA2Gray_8u_C4C1R( src, 0, data, 0, cvSize(m_width,1) );
  - else
  + else if( img.channels() == 3 )
  icvCvt_BGRA2BGR_8u_C4C3R(src, 0, data, 0, cvSize(m_width, 1));
  + else if( img.channels() == 4 )
  + memcpy(data, src, m_width * 4);
  }
  result = true;
  break;
  