d_fileno alias for d_ino in dirent
d_fileno alias for d_ino in dirent

this is nonstandard but since POSIX reserved d_ prefix in dirent.h we
might as well define it unconditionally. some programs depend on it.

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