protect the properties with a mutex
protect the properties with a mutex

Change-Id: Iaf9752cc3abd7ac1b3b569928368dcb0a4d6a197

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