[PATCH] fix phk build system

[Poul-Henning Kamp]

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In message <CABaBnj48U7gS7F7UfY5kzFOgVnk2JPp3ob7m2HGv2xiQNkjOpw at mail.gmail.com>
, Kacper Wysocki writes:

>attached patch fixes the phk buildsystem as of master, except for the
>sphinx doc stuff. 

Committed with a couple of bits of polish.

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.