NetBSD: unbreak tests; neither TCP_NOPUSH or TCP_NOOPT yet exist here
NetBSD: unbreak tests; neither TCP_NOPUSH or TCP_NOOPT yet exist here

rust-lang-nursery/libc,rust-lang-nursery/libc,rust-lang/libc,rust-lang-nursery/libc,rust-lang/libc,rust-lang/libc