XubString->rtl::OUStringBuffer
XubString->rtl::OUStringBuffer

Change-Id: I8304092154b74727a67e197a673949e18d6a1ab4

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