added wxListCtrl::GetSubItemRect() and subitem hit testing (patch 1476971)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39385 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/listctrl.cpp

@@ -5255,7 +5255,8 @@ long wxGenericListCtrl::FindItem( long WXUNUSED(start), const wxPoint& pt,
     return m_mainWin->FindItem( pt );
 }
 
-long wxGenericListCtrl::HitTest( const wxPoint &point, int &flags )
+// TODO: sub item hit testing
+long wxGenericListCtrl::HitTest(const wxPoint& point, int& flags, long *)
 {
     return m_mainWin->HitTest( (int)point.x, (int)point.y, flags );
 }