add export macro, extend enum of class AbstractMouseSelection

src/Gui/GLPainter.h

@@ -114,7 +114,7 @@ public:
     void paintGL();
 };
 
-class Polyline : public Gui::GLGraphicsItem
+class GuiExport Polyline : public Gui::GLGraphicsItem
 {
     View3DInventorViewer* viewer;
     std::vector<QPoint> _cNodeVector;

src/Gui/MouseSelection.h

@@ -55,7 +55,7 @@ class View3DInventorViewer;
 class GuiExport AbstractMouseSelection
 {
 public:
-    enum { Continue=0, Restart=1, Finish=2, Cancel=3 };
+    enum { Continue=0, Restart=1, Finish=2, Cancel=3, Ignore=4 };
 
     AbstractMouseSelection();
     virtual ~AbstractMouseSelection(void) {}