message: Adjust pitch calculation in saved DDS files to match spec. Closes
  * The spec is not particularly clear but this matches the DirectXTex behaviour
  which is as close to 'official' as we'll get most likely.
diff: @@ -774,7 +774,8 @@ bool write_dds_to_file(FILE *f, const write_dds_data &data)
  (data.format.type == ResourceFormatType::BC1 || data.format.type == ResourceFormatType::BC4)
  ? 8
  : 16;
  - header.dwPitchOrLinearSize = RDCMAX(1U, ((header.dwWidth + 3) / 4)) * blockSize;
  + header.dwPitchOrLinearSize =
  + RDCMAX(1U, ((header.dwWidth + 3) / 4)) * blockSize * RDCMAX(1U, data.height / 4);
  }
  else
  {
  