Exprimental feature auto lens distortion correction, on behalf of Guokai; see issue #576

rtgui/toolpanelcoord.h

@@ -186,6 +186,7 @@ class ToolPanelCoordinator :    public ToolPanelListener,
         // rotatelistener interface
         void straightenRequested ();
         void autoCropRequested ();
+        double autoDistorRequested ();
 
         // spotwblistener interface
         void spotWBRequested (int size);