crashtesting: mismatched start/end tag assert on reexport of tdf113187-1.pptx

since...

commit 86be3422cd55fa9e44104f1628648061bb6a3495
Date:   Wed Dec 18 16:46:36 2019 +0100

    tdf#129857 Chart OOXML export: fix deleted legend entries

    The legend showed deleted legend entries too after export.

the bare return leaves a start inserted, but no end

Change-Id: If474b53ed7ff18334d095da0a8996a93a8e62e09
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/91656
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/oox/source/export/chartexport.cxx b/oox/source/export/chartexport.cxx
index d6eaac8..ba0fdb3 100644
--- a/oox/source/export/chartexport.cxx
+++ b/oox/source/export/chartexport.cxx
@@ -1088,8 +1088,6 @@
        // legendEntry
        Reference<chart2::XCoordinateSystemContainer> xCooSysContainer(mxNewDiagram, UNO_QUERY_THROW);
        const Sequence<Reference<chart2::XCoordinateSystem>> xCooSysSequence(xCooSysContainer->getCoordinateSystems());
        if (!xCooSysSequence.hasElements())
            return;

        sal_Int32 nIndex = 0;
        bool bShowLegendEntry;