SIP should use the transport type set in the Moved Temporarily for the next

invite.
(closes issue #11843)
 Reported by: pestermann
 Patches: 
       20080723__issue11843_302_ignores_transport_16branch.diff uploaded by bbryant (license 36)
       20080723__issue11843_302_ignores_transport_trunk.diff uploaded by bbryant (license 36)
 Tested by: pabelanger


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@135126 65c4cc65-6c06-0410-ace0-fbb531ad65f3