necessary to allow for a sip_pvt to maintain a reference
to a sip_peer's outboundproxy even after the peer has
been freed.

(closes issue #13700)
Reported by: fnordian
Patches:
      13700.patch uploaded by putnopvut (license 60)
Tested by: fnordian



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@149802 65c4cc65-6c06-0410-ace0-fbb531ad65f3