[PATCH v4l-utils v1 10/11] qv4l2: fix Qt6 warning (QMenu::addAction() is deprecated)

[Peter Seiderer <ps.report@xxxxxxx>]

Fixes:

  ../qv4l2/qv4l2.cpp:327:28: warning: ‘QAction* QMenu::addAction(const QString&, const QObject*, const char*, const QKeySequence&)’ is deprecated: Use addAction(text, shortcut, receiver, member) instead. [-Wdeprecated-declarations]
    327 |         helpMenu->addAction("&About", this, SLOT(about()), Qt::Key_F1);
        |         ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Peter Seiderer <ps.report@xxxxxxx>
---
 utils/qv4l2/qv4l2.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/utils/qv4l2/qv4l2.cpp b/utils/qv4l2/qv4l2.cpp
index bcba88f5..d4a06171 100644
--- a/utils/qv4l2/qv4l2.cpp
+++ b/utils/qv4l2/qv4l2.cpp
@@ -324,7 +324,11 @@ ApplicationWindow::ApplicationWindow() :
 #endif
 
 	QMenu *helpMenu = menuBar()->addMenu("&Help");
+#if QT_VERSION < 0x060000
 	helpMenu->addAction("&About", this, SLOT(about()), Qt::Key_F1);
+#else
+	helpMenu->addAction("&About", Qt::Key_F1, this, SLOT(about()));
+#endif
 
 	QAction *whatAct = QWhatsThis::createAction(this);
 	helpMenu->addAction(whatAct);
-- 
2.40.0