message: fix JPEG writer
diff: @@ -138,7 +138,6 @@ static bool writeJPEGFile(io::IWriteFile* file, const asset::CImageData* image,
  /* Switch up, write from bottom -> top because the texture is flipped from OpenGL side */
  uint32_t eof = cinfo.image_height * cinfo.image_width * cinfo.input_components;
  - src += eof - pitch;
  while (cinfo.next_scanline < cinfo.image_height)
  {
  @@ -172,7 +171,7 @@ static bool writeJPEGFile(io::IWriteFile* file, const asset::CImageData* image,
  }
  }
  - src -= pitch;
  + src += pitch;
  jpeg_write_scanlines(&cinfo, row_pointer, 1);
  }
  