Provide const version that returns a const pointer.

Change-Id: I6a07919af477f2641797b14838ee5ef563ffe532

sc/source/ui/inc/viewdata.hxx

@@ -241,6 +241,7 @@ public:
 
     vcl::Window*         GetDialogParent();          // forwarded from tabvwsh
     ScGridWindow*   GetActiveWin();             // from View
+    const ScGridWindow* GetActiveWin() const;
     ScDrawView*     GetScDrawView();            // from View
     bool            IsMinimized();              // from View
 

sc/source/ui/view/viewdata.cxx

@@ -2108,6 +2108,12 @@ ScGridWindow* ScViewData::GetActiveWin()
     return pView->GetActiveWin();
 }
 
+const ScGridWindow* ScViewData::GetActiveWin() const
+{
+    OSL_ENSURE( pView, "GetActiveWin() ohne View" );
+    return pView->GetActiveWin();
+}
+
 ScDrawView* ScViewData::GetScDrawView()
 {
     OSL_ENSURE( pView, "GetScDrawView() ohne View" );