Added missing Q_OBJECT macro

src/cadencegraphitem.h

@@ -5,6 +5,8 @@
 
 class CadenceGraphItem : public GraphItem
 {
+	Q_OBJECT
+
 public:
 	CadenceGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
 

src/elevationgraphitem.h

@@ -5,6 +5,8 @@
 
 class ElevationGraphItem : public GraphItem
 {
+	Q_OBJECT
+
 public:
 	ElevationGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
 

src/heartrategraphitem.h

@@ -5,6 +5,8 @@
 
 class HeartRateGraphItem : public GraphItem
 {
+	Q_OBJECT
+
 public:
 	HeartRateGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
 

src/powergraphitem.h

@@ -5,6 +5,8 @@
 
 class PowerGraphItem : public GraphItem
 {
+	Q_OBJECT
+
 public:
 	PowerGraphItem(const Graph &graph, QGraphicsItem *parent = 0);
 

src/speedgraphitem.h

@@ -5,6 +5,8 @@
 
 class SpeedGraphItem : public GraphItem
 {
+	Q_OBJECT
+
 public:
 	SpeedGraphItem(const Graph &graph, qreal movingTime,
 	  QGraphicsItem *parent = 0);

src/temperaturegraphitem.h

@@ -5,6 +5,8 @@
 
 class TemperatureGraphItem : public GraphItem
 {
+	Q_OBJECT
+
 public:
 	TemperatureGraphItem(const Graph &graph, QGraphicsItem *parent = 0);