Fix output of sipshowpeer manager response.

(closes issue #13346)
Reported by: srt
Patches:
      13346_malformed_sip_show_peer_response.diff uploaded by srt (license 378)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@139210 65c4cc65-6c06-0410-ace0-fbb531ad65f3