loplugin:useuniqueptr in ScInsertTableDlg

Change-Id: I239d3b1b585219125841dcc02104390f4a1ac3b7
Reviewed-on: https://gerrit.libreoffice.org/57362
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sc/source/ui/inc/instbdlg.hxx

@@ -53,7 +53,7 @@ private:
     ScViewData&             rViewData;
     ScDocument&             rDoc;
     ScDocShell*             pDocShTables;
-    sfx2::DocumentInserter* pDocInserter;
+    std::unique_ptr<sfx2::DocumentInserter> pDocInserter;
     SfxObjectShellRef       aDocShTablesRef;
 
     bool                bMustClose;

sc/source/ui/miscdlgs/instbdlg.cxx

@@ -66,7 +66,7 @@ ScInsertTableDlg::~ScInsertTableDlg()
 {
     if (pDocShTables)
         pDocShTables->DoClose();
-    delete pDocInserter;
+    pDocInserter.reset();
 }
 
 void ScInsertTableDlg::Init_Impl( bool bFromFile )
@@ -262,8 +262,8 @@ IMPL_LINK_NOARG(ScInsertTableDlg, ChoiceHdl_Impl, weld::Button&, void)
 
 IMPL_LINK_NOARG(ScInsertTableDlg, BrowseHdl_Impl, weld::Button&, void)
 {
-    delete pDocInserter;
-    pDocInserter = new ::sfx2::DocumentInserter(m_xDialog.get(), ScDocShell::Factory().GetFactoryName());
+    pDocInserter.reset();
+    pDocInserter.reset( new ::sfx2::DocumentInserter(m_xDialog.get(), ScDocShell::Factory().GetFactoryName()) );
     pDocInserter->StartExecuteModal( LINK( this, ScInsertTableDlg, DialogClosedHdl ) );
 }