message: fix WalletUpdateSpent
diff: @@ -879,6 +879,7 @@ void CWallet::WalletUpdateSpent(const CTransactionRef &tx)
  else if (IsMine(wtx.tx->vout[txin.prevout.n]))
  {
  LogPrintf("WalletUpdateSpent found spent coin %sppc %s\n", FormatMoney(wtx.GetCredit(ISMINE_SPENDABLE)).c_str(), wtx.GetHash().ToString().c_str());
  + wtx.BindWallet(this);
  NotifyTransactionChanged(this, txin.prevout.hash, CT_UPDATED);
  }
  }
  