Remove unused wallet pointer from NotifyTransactionChanged signal

src/qt/test/wallettests.cpp

@@ -69,7 +69,7 @@ uint256 SendCoins(CWallet& wallet, SendCoinsDialog& sendCoinsDialog, const CTxDe
         ->findChild<QCheckBox*>("optInRBF")
         ->setCheckState(rbf ? Qt::Checked : Qt::Unchecked);
     uint256 txid;
-    boost::signals2::scoped_connection c(wallet.NotifyTransactionChanged.connect([&txid](CWallet*, const uint256& hash, ChangeType status) {
+    boost::signals2::scoped_connection c(wallet.NotifyTransactionChanged.connect([&txid](const uint256& hash, ChangeType status) {
         if (status == CT_NEW) txid = hash;
     }));
     ConfirmSend();