fix writer insert caption crash

since...

commit eca5ea9f79181d45cd7fbabe2313617d3025818a
Date:   Wed Sep 21 14:48:15 2016 +0200

Change-Id: I69b50df0ec19369fcd96d7d184c6d5f586a50b25
diff --git a/sw/source/uibase/uiview/viewdlg2.cxx b/sw/source/uibase/uiview/viewdlg2.cxx
index 82adfbe..ae34348 100644
--- a/sw/source/uibase/uiview/viewdlg2.cxx
+++ b/sw/source/uibase/uiview/viewdlg2.cxx
@@ -54,7 +54,7 @@ void SwView::ExecDlgExt(SfxRequest &rReq)
            SwAbstractDialogFactory* pFact = SwAbstractDialogFactory::Create();
            assert(pFact && "SwAbstractDialogFactory fail!");

            std::unique_ptr<VclAbstractDialog> pDialog(pFact->CreateSwCaptionDialog( pMDI, *this ));
            ScopedVclPtr<VclAbstractDialog> pDialog(pFact->CreateSwCaptionDialog( pMDI, *this ));
            assert(pDialog && "Dialog creation failed!");
            if ( pDialog )
            {
@@ -66,7 +66,7 @@ void SwView::ExecDlgExt(SfxRequest &rReq)
        {
            SwAbstractDialogFactory* pFact = SwAbstractDialogFactory::Create();
            assert(pFact && "Dialog creation failed!");
            std::unique_ptr<AbstractInsFootNoteDlg> pDlg(pFact->CreateInsFootNoteDlg(
            ScopedVclPtr<AbstractInsFootNoteDlg> pDlg(pFact->CreateInsFootNoteDlg(
                pMDI, *m_pWrtShell, true));
            assert(pDlg && "Dialog creation failed!");