[OpenSIPS-Devel] [OpenSIPS/opensips] 522a9e: [sst] fix using unallocated memory bus

[ionutrazvanionita]

  Branch: refs/heads/2.1
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 522a9e3430db544bd3e68c953de38ca1b9a59373
      https://github.com/OpenSIPS/opensips/commit/522a9e3430db544bd3e68c953de38ca1b9a59373
  Author: ionutrazvanionita <ionutionita at opensips.org>
  Date:   2016-10-18 (Tue, 18 Oct 2016)

  Changed paths:
    M modules/sst/sst_handlers.c
    M modules/sst/sst_handlers.h

  Log Message:
  -----------
  [sst] fix using unallocated memory bus

* sst was freeing shm memory after freeing it in dialog callbacs;
* sst was using memory without checking if it was allocated;

(cherry picked from commit 33dc084dd553a20cc691b3ec38e17993ac5ae5b6)