[iter] Remove passing pointer to hb_iter() While doable with hb_deref_pointer() as well, we also would then need to do it in a ton of places. Not worth it / messy.
This is HarfBuzz, a text shaping library.
For bug reports, mailing list, and other information please visit:
For license information, see the file COPYING.
Documentation: https://harfbuzz.github.io