fixed fdo#40363 freeze chart wizard with non-gregorian date
fixed fdo#40363 freeze chart wizard with non-gregorian date

Use the newly introduced Date::Normalize() instead of a never ending
while(!date.IsValid())

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core