[OpenSIPS-Devel] [OpenSIPS/opensips] b98687: acc: fix multi_leg_bye info behavior

[Razvan Crainea]

  Branch: refs/heads/2.1
  Home:   https://github.com/OpenSIPS/opensips
  Commit: b98687d5d1f797e8e198d377b0500aee9f61239a
      https://github.com/OpenSIPS/opensips/commit/b98687d5d1f797e8e198d377b0500aee9f61239a
  Author: Razvan Crainea <razvan at opensips.org>
  Date:   2015-06-25 (Thu, 25 Jun 2015)

  Changed paths:
    M modules/acc/acc.c

  Log Message:
  -----------
  acc: fix multi_leg_bye info behavior

This bug was making the ACC module to print less information in case there
were no AVPs populated for the BYE multi_leg_info

(cherry picked from commit 307388d7499fe2cf4f1ea7f54f2ef11a628e327d)