[OpenSIPS-Devel] [OpenSIPS/opensips] ec7b4e: Fixed 491 Pending scenario in B2B.

[Bogdan-Andrei Iancu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: ec7b4e54bf7f09fb6ff56e8f8497563cf13719e8
      https://github.com/OpenSIPS/opensips/commit/ec7b4e54bf7f09fb6ff56e8f8497563cf13719e8
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2016-03-22 (Tue, 22 Mar 2016)

  Changed paths:
    M modules/b2b_entities/dlg.c

  Log Message:
  -----------
  Fixed 491 Pending scenario in B2B.

Generate 491 Pending reply to the correct transaction (the new incoming one) and drop the requests (do not forward it).
Credits for debugging, reporting and fixing go to @DMOsipov .
Closes #679