Added missing deselect methods

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@19463 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/grid.i

@@ -1807,6 +1807,10 @@ public:
     const wxArrayInt GetSelectedRows() const;
     const wxArrayInt GetSelectedCols() const;
 
+    void DeselectRow( int row );
+    void DeselectCol( int col );
+    void DeselectCell( int row, int col );
+
 
     // This function returns the rectangle that encloses the block of cells
     // limited by TopLeft and BottomRight cell in device coords and clipped