[OpenSIPS-Devel] [OpenSIPS/opensips] 3ec139: Fix crash on fallback from a prefix-less rule.

[Bogdan-Andrei Iancu]

  Branch: refs/heads/2.1
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 3ec139eac34aa6bb3737c0c8b9ee4b88ab73c868
      https://github.com/OpenSIPS/opensips/commit/3ec139eac34aa6bb3737c0c8b9ee4b88ab73c868
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2017-01-05 (Thu, 05 Jan 2017)

  Changed paths:
    M modules/drouting/drouting.c

  Log Message:
  -----------
  Fix crash on fallback from a prefix-less rule.

If a prefix-less (empty prefix) rule matched, do not attempt to do fallback by reducing the len of the prefix.

(cherry picked from commit 6e7495a011a127b8d6451e0ee99fce1efd4eabf0)