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-rw-r--r--examples/mqtt/simpleclient/mainwindow.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/mqtt/simpleclient/mainwindow.h b/examples/mqtt/simpleclient/mainwindow.h
index 05e048f..039f64a 100644
--- a/examples/mqtt/simpleclient/mainwindow.h
+++ b/examples/mqtt/simpleclient/mainwindow.h
@@ -65,7 +65,7 @@ class MainWindow : public QMainWindow
Q_OBJECT
public:
- explicit MainWindow(QWidget *parent = 0);
+ explicit MainWindow(QWidget *parent = nullptr);
~MainWindow();
public slots: