[OpenSIPS-Devel] [OpenSIPS/opensips] 62d0ed: [topology-hiding] fix detection of the UAC requests

[Bogdan Andrei IANCU]

  Branch: refs/heads/3.1
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 62d0edb18838d10c38abb30834fa4e958fdc8128
      https://github.com/OpenSIPS/opensips/commit/62d0edb18838d10c38abb30834fa4e958fdc8128
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2021-12-06 (Mon, 06 Dec 2021)

  Changed paths:
    M modules/topology_hiding/topo_hiding_logic.c

  Log Message:
  -----------
  [topology-hiding] fix detection of the UAC requests

Use a more generix approach (check VIA2 presence) to see if we deal with a locally generated or proxyed requests.
Fixes #2690, credits go to @bcnewlin for reporting.

(cherry picked from commit abeeb36d77e05df4a4a3fc71af1f0795dc2a7e61)