rutil: add RESIP_MAX_SOCKADDR_SIZE

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10713 ddefafc4-47db-0310-ae44-fa13212b10f2
resip/stack: TcpBaseTransport: use RESIP_MAX_SOCKADDR_SIZE when dealing with sockaddr

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10714 ddefafc4-47db-0310-ae44-fa13212b10f2