XlsFormat - fix pivots after testing

ASCOfficeXlsFile2/source/XlsFormat/Logic/Biff_unions/PIVOTVIEW.cpp

@@ -193,6 +193,8 @@ int PIVOTVIEW::serialize(std::wostream & strm)
 					core->m_PIVOTPI->serialize(CP_XML_STREAM());
 				}
 			}
+			if (core->m_arSXDI.empty() == false)
+			{
 				CP_XML_NODE(L"dataFields")
 				{
 					CP_XML_ATTR(L"count", view->cDimData);
@@ -201,6 +203,7 @@ int PIVOTVIEW::serialize(std::wostream & strm)
 						core->m_arSXDI[i]->serialize(CP_XML_STREAM());
 					}
 				}
+			}
 			//CP_XML_NODE(L"pivotTableStyleInfo")
 			//{
 			//	CP_XML_ATTR(L"showRowHeaders", 1); 

ASCOfficeXlsFile2/source/XlsFormat/Logic/Biff_unions/SXOPER.cpp

@@ -38,6 +38,8 @@
 #include "../Biff_records/SXString.h"
 #include "../Biff_records/SXDtr.h"
 
+#include <boost/lexical_cast.hpp>
+
 namespace XLS
 {
 
@@ -85,7 +87,7 @@ const bool SXOPER::loadContent(BinProcessor& proc)
 		if (bInteger)
 			value	= std::to_wstring((int)num->num.data.value);
 		else
-			value	= std::to_wstring(num->num.data.value);
+			value	= boost::lexical_cast<std::wstring>(num->num.data.value);
 	}
 	else if(proc.optional<SxBool>())
 	{