tdf#121620 Opening Image tab of Bullets and Numbering dialog resets selection

regression from
	commit 39e6bae2c4be24a3aad5ef8cd37d3d83c41a4abe
	loplugin:useuniqueptr in cui numpages

Change-Id: I77e16880d0590793545da38b7a3c8c5d2626d8f5
Reviewed-on: https://gerrit.libreoffice.org/64441
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/cui/source/tabpages/numpages.cxx b/cui/source/tabpages/numpages.cxx
index 64b96bb..10be516 100644
--- a/cui/source/tabpages/numpages.cxx
+++ b/cui/source/tabpages/numpages.cxx
@@ -844,7 +844,7 @@
    }

    if(!aGrfNames.empty() &&
        (pActNum && (lcl_IsNumFmtSet(pActNum.get(), nActNumLvl) || bIsPreset)))
        (pActNum && (!lcl_IsNumFmtSet(pActNum.get(), nActNumLvl) || bIsPreset)))
    {
        m_xExamplesVS->SelectItem(1);
        NumSelectHdl_Impl(m_xExamplesVS.get());