tdf#115086 crash in assignLabelsToDataSequence

since...

commit c45358e928b9b9419bba10a0fcb661696cb7647a
Date:   Mon Apr 24 00:09:08 2017 +0200

    preserve "Total" label on round-trip, remove code duplication

Change-Id: I83ed20e1cab8d67f2f5aedcaf862756d9548bf9f
Reviewed-on: https://gerrit.libreoffice.org/59060
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sc/source/ui/unoobj/PivotTableDataProvider.cxx b/sc/source/ui/unoobj/PivotTableDataProvider.cxx
index abbe7e2..94bf491 100644
--- a/sc/source/ui/unoobj/PivotTableDataProvider.cxx
+++ b/sc/source/ui/unoobj/PivotTableDataProvider.cxx
@@ -618,7 +618,7 @@ PivotTableDataProvider::assignLabelsToDataSequence(size_t nIndex)
    {
        aLabel = ScResId(STR_PIVOT_TOTAL);
    }
    else
    else if (nIndex < m_aLabels.size())
    {
        for (ValueAndFormat const & rItem : m_aLabels[nIndex])
        {