PDFWriterImpl::finalizeSignature: -Werror=unused-variable
PDFWriterImpl::finalizeSignature: -Werror=unused-variable

Change-Id: Iaa7a717dad87e092f5b259054d9c79ad3e7ae642

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