Add _SC_NPROCESSORS_CONF
Add _SC_NPROCESSORS_CONF

cactorium/libc,mneumann/libc,mneumann/libc,rust-lang-nursery/libc,rust-lang/libc,cactorium/libc,rust-lang-nursery/libc,rust-lang/libc,rust-lang-nursery/libc,cactorium/libc,rust-lang/libc,mneumann/libc