* tport.c: better checking of IP6 addresses
  Ignore-this: 49f502ccaaf771abed1e5b2d00eaa8b8
  
  Coverity issue.


git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13335 d0543943-73ff-0310-b7d9-9358b9ac24b2