piros/tor: Code added to Tor to support PIR-based onion service descriptor lookups @ 247a21379af1cf90896d9818cf448d9687f6277c

Roger Dingledine 247a21379a set SO_REUSEADDR before we bind, not after		14 lat temu
..
bug4950	247a21379a set SO_REUSEADDR before we bind, not after	14 lat temu