Fix Qt 6 definition of macro ‘Q_DECLARE_MOVABLE_CONTAINER’

adding #include <QHash>

+ code fail to compile if it uses deprecated APIs.
=> see .pro file

sources/NameList/ui/namelistwidget.h

@@ -1,25 +1,27 @@
 /*
 	Copyright 2006-2020 The QElectroTech Team
 	This file is part of QElectroTech.
-	
+
 	QElectroTech is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
 	the Free Software Foundation, either version 2 of the License, or
 	(at your option) any later version.
-	
+
 	QElectroTech is distributed in the hope that it will be useful,
 	but WITHOUT ANY WARRANTY; without even the implied warranty of
 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 	GNU General Public License for more details.
-	
+
 	You should have received a copy of the GNU General Public License
 	along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
 */
 #ifndef NAMELISTWIDGET_H
 #define NAMELISTWIDGET_H
 
-#include "nameslist.h"
 #include <QWidget>
+#include <QHash>
+
+#include "nameslist.h"
 
 namespace Ui {
 	class NameListWidget;
@@ -32,27 +34,27 @@ namespace Ui {
 class NameListWidget : public QWidget
 {
 	Q_OBJECT
-	
+
 	public:
 		explicit NameListWidget(QWidget *parent = nullptr);
 		~NameListWidget();
-		
+
 		void addLine();
 		void setNames (const NamesList &name_list);
 		NamesList names() const;
 		void setReadOnly(bool ro);
 		bool isEmpty() const;
 		void setClipboardValue (QHash <QString, QString> value);
-	
+
 	private slots:
 		void on_m_clipboard_cb_activated(int index);
-		
+
 	private:
 		void clean();
-	
+
 	private:
 		Ui::NameListWidget *ui;
-		bool m_read_only = false;	
+		bool m_read_only = false;
 };
 
 #endif // NAMELISTWIDGET_H