Improve loplugin:revisibility
Improve loplugin:revisibility

(for non-Windows--only code, as MSVC would complain about such cases anyway)

Change-Id: Id6daf61b79bd31529bdaeb7c6df4f354731ae7d7

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