message: Allow TIFF min=white PHOTOMETRIC interpretation images to be read unchanged
diff: @@ -235,7 +235,7 @@ bool TiffDecoder::readHeader()
  m_hdr = false;
  if( bpp > 8 &&
  - ((photometric != 2 && photometric != 1) ||
  + ((photometric > 2) ||
  (ncn != 1 && ncn != 3 && ncn != 4)))
  bpp = 8;
  