[OpenSIPS-Devel] [OpenSIPS/opensips] 6f5dde: Fix handling of gw_priprefix_avp param.

[Bogdan-Andrei Iancu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 6f5dde42eed19e8649c9f2640805447d13d143c3
      https://github.com/OpenSIPS/opensips/commit/6f5dde42eed19e8649c9f2640805447d13d143c3
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2015-05-22 (Fri, 22 May 2015)

  Changed paths:
    M modules/drouting/drouting.c

  Log Message:
  -----------
  Fix handling of gw_priprefix_avp param.

Closes #518, reported by @apsaras.

(cherry picked from commit 3870a57702595a4816e2520c708bb4f337a17546)