move-only: Define TransactionNotification before TransactionTablePriv

This is needed because next commit moves vQueueNotifications to
TransactionTablePriv member.

src/qt/transactiontablemodel.cpp

@@ -54,6 +54,33 @@ struct TxLessThan
     }
 };
 
+// queue notifications to show a non freezing progress dialog e.g. for rescan
+struct TransactionNotification
+{
+public:
+    TransactionNotification() {}
+    TransactionNotification(uint256 _hash, ChangeType _status, bool _showTransaction):
+        hash(_hash), status(_status), showTransaction(_showTransaction) {}
+
+    void invoke(QObject *ttm)
+    {
+        QString strHash = QString::fromStdString(hash.GetHex());
+        qDebug() << "NotifyTransactionChanged: " + strHash + " status= " + QString::number(status);
+        bool invoked = QMetaObject::invokeMethod(ttm, "updateTransaction", Qt::QueuedConnection,
+                                  Q_ARG(QString, strHash),
+                                  Q_ARG(int, status),
+                                  Q_ARG(bool, showTransaction));
+        assert(invoked);
+    }
+private:
+    uint256 hash;
+    ChangeType status;
+    bool showTransaction;
+};
+
+static bool fQueueNotifications = false;
+static std::vector< TransactionNotification > vQueueNotifications;
+
 // Private implementation
 class TransactionTablePriv
 {
@@ -674,33 +701,6 @@ void TransactionTableModel::updateDisplayUnit()
     Q_EMIT dataChanged(index(0, Amount), index(priv->size()-1, Amount));
 }
 
-// queue notifications to show a non freezing progress dialog e.g. for rescan
-struct TransactionNotification
-{
-public:
-    TransactionNotification() {}
-    TransactionNotification(uint256 _hash, ChangeType _status, bool _showTransaction):
-        hash(_hash), status(_status), showTransaction(_showTransaction) {}
-
-    void invoke(QObject *ttm)
-    {
-        QString strHash = QString::fromStdString(hash.GetHex());
-        qDebug() << "NotifyTransactionChanged: " + strHash + " status= " + QString::number(status);
-        bool invoked = QMetaObject::invokeMethod(ttm, "updateTransaction", Qt::QueuedConnection,
-                                  Q_ARG(QString, strHash),
-                                  Q_ARG(int, status),
-                                  Q_ARG(bool, showTransaction));
-        assert(invoked);
-    }
-private:
-    uint256 hash;
-    ChangeType status;
-    bool showTransaction;
-};
-
-static bool fQueueNotifications = false;
-static std::vector< TransactionNotification > vQueueNotifications;
-
 static void NotifyTransactionChanged(TransactionTableModel *ttm, const uint256 &hash, ChangeType status)
 {
     // Find transaction in wallet