Fixed minor bug in GenericEditor code

Source/Processors/Editors/GenericEditor.cpp

@@ -444,9 +444,11 @@ void GenericEditor::update()
 
 	if (numChannels == 0)
 	{
-		drawerButton->setVisible(false);
+		if (drawerButton != 0)
+			drawerButton->setVisible(false);
 	} else {
-		drawerButton->setVisible(true);
+		if (drawerButton != 0)
+			drawerButton->setVisible(true);
 	}
 
 	updateVisualizer(); // does nothing unless this method

Source/Processors/Editors/VisualizerEditor.h

@@ -67,8 +67,8 @@ public:
 
 	void updateVisualizer();
 
-	ScopedPointer <DataWindow> dataWindow;
-	ScopedPointer <Visualizer> canvas;
+	ScopedPointer<DataWindow> dataWindow;
+	ScopedPointer<Visualizer> canvas;
 
 private: