SfxChildWindow is always null

Change-Id: I0a17066b8571cb40f53921000b7eeb4cdf0c9527

sc/source/ui/formdlg/dwfunctr.cxx

@@ -53,10 +53,8 @@
 #*
 #************************************************************************/
 
-ScFunctionDockWin::ScFunctionDockWin( SfxBindings* pBindingsP,
-                SfxChildWindow *pCW, vcl::Window* pParent, const ResId& rResId ) :
-
-    SfxDockingWindow( pBindingsP, pCW, pParent, rResId ),
+ScFunctionDockWin::ScFunctionDockWin( SfxBindings* pBindingsP, vcl::Window* pParent, const ResId& rResId ) :
+    SfxDockingWindow( pBindingsP, nullptr, pParent, rResId ),
     aPrivatSplit    ( VclPtr<ScPrivatSplit>::Create( this, ResId( FT_SPLIT, *rResId.GetResMgr() ) ) ),
     aCatBox         ( VclPtr<ListBox>::Create( this, ResId( CB_CAT, *rResId.GetResMgr() ) ) ),
     aFuncList       ( VclPtr<ListBox>::Create( this, ResId( LB_FUNC, *rResId.GetResMgr() ) ) ),

sc/source/ui/inc/dwfunctr.hxx

@@ -84,7 +84,6 @@ protected:
 
 public:
                     ScFunctionDockWin(  SfxBindings* pBindings,
-                                        SfxChildWindow *pCW,
                                         vcl::Window* pParent,
                                         const ResId& rResId );
 

sc/source/ui/sidebar/ScPanelFactory.cxx

@@ -99,7 +99,7 @@ Reference<ui::XUIElement> SAL_CALL ScPanelFactory::createUIElement (
         }
         else if (rsResourceURL.endsWith("/FunctionsPanel"))
         {
-            pPanel = VclPtr<ScFunctionDockWin>::Create(pBindings, nullptr, pParentWindow, ScResId(FID_FUNCTION_BOX));
+            pPanel = VclPtr<ScFunctionDockWin>::Create(pBindings, pParentWindow, ScResId(FID_FUNCTION_BOX));
             nMinimumSize = 0;
         }