Fix a regression in TCP support.

This patch fixes a problem that caused chan_sip to think that every open TCP session
was to a remote address of 0.0.0.0:0.

(closes issue #14287)
Reported by: jamesgolovich
Patches:
      bug-14287.diff.txt uploaded by jamesgolovich (license 176)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@169620 65c4cc65-6c06-0410-ace0-fbb531ad65f3