[OpenSIPS-Devel] [OpenSIPS/opensips] ab2c15: digest_auth: restore support openssl for 1.0.2

[Răzvan Crainea]

  Branch: refs/heads/3.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: ab2c15c7be925ea469c2b772683432e56965f86b
      https://github.com/OpenSIPS/opensips/commit/ab2c15c7be925ea469c2b772683432e56965f86b
  Author: Razvan Crainea <razvan at opensips.org>
  Date:   2023-09-21 (Thu, 21 Sep 2023)

  Changed paths:
    M lib/digest_auth/Makefile
    M lib/digest_auth/dauth_calc_sha256.c

  Log Message:
  -----------
  digest_auth: restore support openssl for 1.0.2

This completes commit f566fb which used a new interface of openssl, one
that is not available in 1.0.2.
Many thanks to Oleksandr Kozmenko (@11qeq11 on GitHub) for reporting it.
Close #3183

Also squashed all corrections to the Makefile in this commit

(cherry picked from commit 3c11d3c0f50adcc3a92dc893a11866cd6aafbe13)
(cherry picked from commit d92607f2d7825a9d000b14e6f3d9aa037b273b23)
(cherry picked from commit d1c8a475186f94e6a8aae74e0ad884663039b0ac)
(cherry picked from commit 8fccc49c7c8c0fb3ae4cf500fffebd00914c3db5)