[OpenSIPS-Devel] [OpenSIPS/opensips] 69866a: dispatcher: Fix the "round robin" algorithm

[Liviu Chircu]

  Branch: refs/heads/3.0
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 69866af469ef8eab4e95b760d91311aa5c65158a
      https://github.com/OpenSIPS/opensips/commit/69866af469ef8eab4e95b760d91311aa5c65158a
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2019-11-12 (Tue, 12 Nov 2019)

  Changed paths:
    M modules/dispatcher/dispatcher.c

  Log Message:
  -----------
  dispatcher: Fix the "round robin" algorithm

ds_select_dst() must not get called multiple times on a given set, as
some destinations may get skipped in the process.

Fixes #1889

(cherry picked from commit 3d2e337423eb21f0eed5a8bbcec683d5694184cc)