[OpenSIPS-Devel] [OpenSIPS/opensips] 2fc1db: siprec: fix unref mechanism

[Răzvan Crainea]

  Branch: refs/heads/3.0
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 2fc1db6a5009832f395e509ccd36c7cadbcfbafd
      https://github.com/OpenSIPS/opensips/commit/2fc1db6a5009832f395e509ccd36c7cadbcfbafd
  Author: Razvan Crainea <razvan at opensips.org>
  Date:   2019-11-11 (Mon, 11 Nov 2019)

  Changed paths:
    M modules/siprec/siprec_sess.h

  Log Message:
  -----------
  siprec: fix unref mechanism

Fix unref mechanism to prevent it from unlocking an already freed
session

(cherry picked from commit be8596544e84f8115c28826810ee342d35105963)