small fixes for scopes updates

[kdenlive] / src / histogram.cpp

diff --git a/src/histogram.cpp b/src/histogram.cpp
index fe24ee6b093bec03bf1a61d7f41d6605ac97d1e5..a5d1fc42af1e6772f01a8df986ca60c3b66dd4d8 100644 (file)
--- a/src/histogram.cpp
+++ b/src/histogram.cpp
@@ -109,7 +109,7 @@ QImage Histogram::renderHUD(uint)
     emit signalHUDRenderingFinished(0, 1);
     return QImage();
 }
-QImage Histogram::renderScope(uint accelFactor, QImage qimage)
+QImage Histogram::renderScope(uint accelFactor, const QImage qimage)
 {
     QTime start = QTime::currentTime();
     start.start();