ports/135528: Fix audio/exaile-devel regression when installing with custom PREFIX

[itetcu at FreeBSD.org]

Synopsis: Fix audio/exaile-devel regression when installing with custom PREFIX

Responsible-Changed-From-To: freebsd-ports-bugs->itetcu
Responsible-Changed-By: itetcu
Responsible-Changed-When: Sat Jun 13 05:18:08 UTC 2009
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=135528