guard against hard links to non-ordinary-files when reading tcb shadow
guard against hard links to non-ordinary-files when reading tcb shadow

chneukirchen/musl-chris2,rofl0r/musl-old,chneukirchen/musl-chris2,davidlazar/musl,rofl0r/musl-old,chardi/musl,chardi/musl,chardi/musl,davidlazar/musl