rename osl::SolarMutexGuard -> SolarGuard to avoid namespace ambiguity
rename osl::SolarMutexGuard -> SolarGuard to avoid namespace ambiguity

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