[OpenSIPS-Devel] [OpenSIPS/opensips] 775462: Fix wrong inheriting of Contact-Length hdr.

[Bogdan Andrei IANCU]

  Branch: refs/heads/3.0
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 775462db0fa754d1e3a9c47b01185cf79e0181a2
      https://github.com/OpenSIPS/opensips/commit/775462db0fa754d1e3a9c47b01185cf79e0181a2
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2020-06-25 (Thu, 25 Jun 2020)

  Changed paths:
    M msg_translator.c

  Log Message:
  -----------
  Fix wrong inheriting of Contact-Length hdr.

When moving from multi part to single part, do not inherite the Ct-len hdr of the part.
Fixes #1990

(cherry picked from commit 7dd1151341b8229cd30e335b246e56938551f6bd)