void fmtutil_handle_exif(deark *c, i64 pos, i64 len)
{
	fmtutil_handle_exif2(c, pos, len, NULL, NULL, NULL);
}
void fmtutil_handle_exif(deark *c, i64 pos, i64 len)
{
	fmtutil_handle_exif2(c, pos, len, NULL, NULL, NULL);
}