[OpenSIPS-Devel] [OpenSIPS/opensips] 291d3e: Fix db backend init for trace_id's

[Bogdan Andrei IANCU]

  Branch: refs/heads/2.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 291d3e5e9bb32ea406a997f03a8ed2f85522c3fe
      https://github.com/OpenSIPS/opensips/commit/291d3e5e9bb32ea406a997f03a8ed2f85522c3fe
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2020-01-28 (Tue, 28 Jan 2020)

  Changed paths:
    M modules/siptrace/siptrace.c

  Log Message:
  -----------
  Fix db backend init for trace_id's

Do not perform DB queries during cfg parsing, but only at mod_init stage, as some DB backends (like db_text) may not be initialized before mod_init.

Closes #1947

(cherry picked from commit b4fce7b66d8478c6b3dc5684f2533140b88dc078)