[PATCH] Fix Varnish build on OpenBSD

[Poul-Henning Kamp]

In message <20120426185723.GA9552 at rox.home.comstyle.com>, Brad Smith writes:
>Unlike the 3.0.2 release checking out the latest and greatest from Git
>doesn't fare well building on OpenBSD. The following diff fixes the
>build issues.

Committed, thanks.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.