Fix a Clang 19 warning.

[nageru] / nageru / correlation_meter.cpp

diff --git a/nageru/correlation_meter.cpp b/nageru/correlation_meter.cpp
index 7b7683a5a1fd4b1158a154c71ced66cbcbd50797..fafd4158c22304ba1930c61b0731579f687e7fbb 100644 (file)
--- a/nageru/correlation_meter.cpp
+++ b/nageru/correlation_meter.cpp
@@ -2,11 +2,15 @@
 
 #include <math.h>
 #include <algorithm>
+#include <mutex>
 
 #include <QBrush>
 #include <QColor>
+#include <QPaintDevice>
 #include <QPainter>
+#include <QPixmap>
 #include <QRect>
+#include <QWidget>
 
 class QPaintEvent;
 class QResizeEvent;
@@ -47,7 +51,7 @@ void CorrelationMeter::paintEvent(QPaintEvent *event)
 
        float correlation;
        {
-               unique_lock<mutex> lock(correlation_mutex);
+               lock_guard<mutex> lock(correlation_mutex);
                correlation = this->correlation;
        }