[OpenSIPS-Devel] [OpenSIPS/opensips] b6dce4: [acc][bugfix] check if script variable is null

[ionutrazvanionita]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: b6dce41d81173f39c5e4b6c054f13334b657c1b6
      https://github.com/OpenSIPS/opensips/commit/b6dce41d81173f39c5e4b6c054f13334b657c1b6
  Author: ionutrazvanionita <ionutionita at opensips.org>
  Date:   2016-09-27 (Tue, 27 Sep 2016)

  Changed paths:
    M modules/acc/acc_vars.c

  Log Message:
  -----------
  [acc][bugfix] check if script variable is null