[OpenSIPS-Devel] [OpenSIPS/opensips] 472014: fix_nated_sdp(): Fix crash due to mis-managed flags

[Liviu Chircu]

  Branch: refs/heads/3.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 4720143570f45bf1eeaa0ef321ccee82ba106260
      https://github.com/OpenSIPS/opensips/commit/4720143570f45bf1eeaa0ef321ccee82ba106260
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2023-10-11 (Wed, 11 Oct 2023)

  Changed paths:
    M lib/reg/lookup.c
    M modules/nathelper/nathelper.c

  Log Message:
  -----------
  fix_nated_sdp(): Fix crash due to mis-managed flags

Fixes #3226

(cherry picked from commit b524764aed8c6295be6f38b6923ef57d4f63043f)