Merge pull request #553 from ryanpetris/v5

fix tiny build issue on Qt5.15.0

sdrgui/gui/rollupwidget.cpp

@@ -1,5 +1,6 @@
 #include <QEvent>
 #include <QPainter>
+#include <QPainterPath>
 #include <QMouseEvent>
 #include "gui/rollupwidget.h"
 #include "ui_glspectrumgui.h"
@@ -390,4 +391,4 @@ void RollupWidget::setStreamIndicator(const QString& indicator)
 {
 	m_streamIndicator = indicator;
 	update();
-}
+}