net: send peer addr in version msg.

lib/net/peer.js

@@ -892,6 +892,7 @@ Peer.prototype.sendVersion = function sendVersion() {
   packet.version = this.pool.protoVersion;
   packet.services = this.pool.address.services;
   packet.ts = this.network.now();
+  packet.recv = this.address;
   packet.from = this.pool.address;
   packet.nonce = this.pool.localNonce;
   packet.agent = this.pool.userAgent;