[OpenSIPS-Devel] [OpenSIPS/opensips] 58bae4: Fix building json when multiple callees are in dialog

[Bogdan Andrei IANCU]

  Branch: refs/heads/3.0
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 58bae4ad1c188981779ec88fb29b5a8d16cce0ca
      https://github.com/OpenSIPS/opensips/commit/58bae4ad1c188981779ec88fb29b5a8d16cce0ca
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2020-05-27 (Wed, 27 May 2020)

  Changed paths:
    M modules/dialog/dialog.c

  Log Message:
  -----------
  Fix building json when multiple callees are in dialog

Credits go to @fedkis
Closes #2120

(cherry picked from commit 1d09175b2b890c62b58715f2ec6572e06663f42c)