[OpenSIPS-Devel] [OpenSIPS/opensips] 66b77c: nathelper: Do not crash on bad ping reply

[Liviu Chircu]

  Branch: refs/heads/3.0
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 66b77c84fb2a19619c5f955e3185ad0f96efe869
      https://github.com/OpenSIPS/opensips/commit/66b77c84fb2a19619c5f955e3185ad0f96efe869
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2020-09-07 (Mon, 07 Sep 2020)

  Changed paths:
    M modules/nathelper/sip_pinger.h

  Log Message:
  -----------
  nathelper: Do not crash on bad ping reply

Credits to Alexey Vasilyev for the report!
Fixes #2242

(cherry picked from commit fb34cbc51405d7928dac0768be4ad912f1bb0bed)