Fix java "unchecked conversion" warning in UCB module
Fix java "unchecked conversion" warning in UCB module

Change-Id: I8a9bcd81385c17b74b0ee7fc859e324421d141c6

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