[OpenSIPS-Devel] [OpenSIPS/opensips] ac8c2e: Fix changing proto via force_send_socket().

[Bogdan-Andrei Iancu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: ac8c2e6845ecea7d01d267b61720d332ee571e1d
      https://github.com/OpenSIPS/opensips/commit/ac8c2e6845ecea7d01d267b61720d332ee571e1d
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2015-04-02 (Thu, 02 Apr 2015)

  Changed paths:
    M modules/tm/t_funcs.c
    M modules/tm/t_fwd.c
    M modules/tm/uac.c

  Log Message:
  -----------
  Fix changing proto via force_send_socket().

If the RURI does not request any protocol, use the proto of the forced socket (if any).
Related to #420