ScMenuFloatingWindow::MENU_NOT_SELECTED can be constexpr

Change-Id: Idd07133385d6986b3ba09dd58b2d3bba3a17f822

sc/source/ui/cctrl/checklistmenu.cxx

@@ -71,8 +71,6 @@ IMPL_LINK_NOARG(ScMenuFloatingWindow::SubMenuItemData, TimeoutHdl, Timer *, void
     mpParent->handleMenuTimeout(this);
 }
 
-size_t ScMenuFloatingWindow::MENU_NOT_SELECTED = 999;
-
 ScMenuFloatingWindow::ScMenuFloatingWindow(vcl::Window* pParent, ScDocument* pDoc, sal_uInt16 nMenuStackLevel) :
     PopupMenuFloatingWindow(pParent),
     maOpenTimer(this),

sc/source/ui/inc/checklistmenu.hxx

@@ -37,7 +37,8 @@ class ScAccessibleFilterMenu;
 class ScMenuFloatingWindow : public PopupMenuFloatingWindow
 {
 public:
-    static size_t MENU_NOT_SELECTED;
+    static constexpr size_t MENU_NOT_SELECTED = 999;
+
     /**
      * Action to perform when an event takes place.  Create a sub-class of
      * this to implement the desired action.