QmlDesigner.propertyEditor: uninitialized member

src/plugins/qmldesigner/components/propertyeditor/colorwidget.cpp

@@ -403,7 +403,9 @@ static inline QColor invertColor(const QColor color)
     return c;
 }
 
-GradientLine::GradientLine(QWidget *parent) : QWidget(parent),  m_activeColor(Qt::black), m_gradientName("gradient"), m_dragActive(false), m_yOffset(0), m_create(false), m_active(false)
+GradientLine::GradientLine(QWidget *parent) : QWidget(parent),  m_activeColor(Qt::black), m_gradientName("gradient"),
+                                                                m_dragActive(false), m_yOffset(0), m_create(false),
+                                                                m_active(false), m_colorIndex(0)
 {
     setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
     setFocusPolicy(Qt::StrongFocus);