Sort FreeBSD's sysconf variables.  No functional changes.
Sort FreeBSD's sysconf variables.  No functional changes.

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