It's a simple assignment

Change-Id: I7b85a5ce93685013c28c9cb8047093fe7403da53
Reviewed-on: https://gerrit.libreoffice.org/43553Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>
Tested-by: Tamás Zolnai <tamas.zolnai@collabora.com>

sc/source/filter/excel/xepivotxml.cxx

@@ -735,7 +735,7 @@ void XclExpXmlPivotTables::SavePivotTableXml( XclExpXmlStream& rStrm, const ScDP
 
         bool bDimInTabularMode = false;
         if(pDim->GetLayoutInfo())
-            bDimInTabularMode |= (pDim->GetLayoutInfo()->LayoutMode == sheet::DataPilotFieldLayoutMode::TABULAR_LAYOUT);
+            bDimInTabularMode = (pDim->GetLayoutInfo()->LayoutMode == sheet::DataPilotFieldLayoutMode::TABULAR_LAYOUT);
 
         sheet::DataPilotFieldOrientation eOrient = pDim->GetOrientation();