Destructor made virtual

diff --git a/src/QxGraph/QxGraph_Prs.h b/src/QxGraph/QxGraph_Prs.h
index 44c204260fb7bd07b3dd751754c05cd9a7b336bb..34bf24bcc7213088ef190cbe890170653e976a9b 100644 (file)
--- a/src/QxGraph/QxGraph_Prs.h
+++ b/src/QxGraph/QxGraph_Prs.h
@@ -31,7 +31,7 @@ class QXGRAPH_EXPORT QxGraph_Prs
 {
  public:
   QxGraph_Prs(QxGraph_Canvas*);
-  ~QxGraph_Prs();
+  virtual ~QxGraph_Prs();
 
   void addItem(QCanvasItem* theItem, int theDMode = -1);