tdf#122331 Autofilter disappeared after export to XLSX

regression from
    commit c135f51b050dfa7ef095fe8a5b73cde37219a8dd
    loplugin:returnconstant in XclExpAutofilter

Change-Id: Iea7ac925aff47699292b4c3d758e99cd2d081560
Reviewed-on: https://gerrit.libreoffice.org/65625
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
(cherry picked from commit d080cd838c7ab182e70ed5e8c1deff10b2306f24)
Reviewed-on: https://gerrit.libreoffice.org/65635
Reviewed-by: Xisco FaulĂ­ <xiscofauli@libreoffice.org>
Tested-by: Xisco FaulĂ­ <xiscofauli@libreoffice.org>
diff --git a/sc/source/filter/excel/excrecds.cxx b/sc/source/filter/excel/excrecds.cxx
index d8dd91c..626a6b4 100644
--- a/sc/source/filter/excel/excrecds.cxx
+++ b/sc/source/filter/excel/excrecds.cxx
@@ -706,7 +706,7 @@
    if (GetOutput() != EXC_OUTPUT_BINARY && rItems.size() > 1)
    {
        AddMultiValueEntry(rEntry);
        return true;
        return false;
    }

    bool bConflict = false;