Fix to make access of canbus frames const correct. It's now not really possible to modify the captured canbus frames from outside the model class that holds them. This is safer and more future proof.

Boring update but it might save head scratching in the future.

flowviewwindow.h

@@ -13,7 +13,7 @@ class FlowViewWindow : public QDialog
     Q_OBJECT
 
 public:
-    explicit FlowViewWindow(QVector<CANFrame> *frames, QWidget *parent = 0);
+    explicit FlowViewWindow(const QVector<CANFrame> *frames, QWidget *parent = 0);
     ~FlowViewWindow();
     void showEvent(QShowEvent*);
 
@@ -38,7 +38,7 @@ private:
     Ui::FlowViewWindow *ui;
     QList<int> foundID;
     QList<CANFrame> frameCache;
-    QVector<CANFrame> *modelFrames;
+    const QVector<CANFrame> *modelFrames;
     unsigned char refBytes[8];
     unsigned char currBytes[8];
     int currentPosition;