really export default row heights for xlsx fdo#55621

Change-Id: Icdf581cd7ae245f2749fecf00957bc9524f717d8

sc/source/filter/excel/xetable.cxx

@@ -2450,6 +2450,13 @@ void XclExpCellTable::Save( XclExpStream& rStrm )
 
 void XclExpCellTable::SaveXml( XclExpXmlStream& rStrm )
 {
+    // DEFAULT row height
+    XclExpDefaultRowData& rDefData = mxDefrowheight->GetDefaultData();
+    sax_fastparser::FSHelperPtr& rWorksheet = rStrm.GetCurrentStream();
+    rWorksheet->startElement( XML_sheetFormatPr,
+        XML_defaultRowHeight, OString::valueOf( (double) rDefData.mnHeight / 20.0 ).getStr(), FSEND );
+    rWorksheet->endElement( XML_sheetFormatPr );
+
     maColInfoBfr.SaveXml( rStrm );
     maRowBfr.SaveXml( rStrm );
     mxExtLst->SaveXml( rStrm );

sc/source/filter/inc/xetable.hxx

@@ -852,7 +852,7 @@ public:
 
     /** Sets the passed default data as current record contents. */
     void                SetDefaultData( const XclExpDefaultRowData& rDefData );
-
+    XclExpDefaultRowData& GetDefaultData() { return maDefData; }
 private:
     /** Writes the contents of the record. */
     virtual void        WriteBody( XclExpStream& rStrm );