ports/162325: emulators/libspectrum: fix build on FreeBSD 10

[edwin at FreeBSD.org]

Synopsis: emulators/libspectrum: fix build on FreeBSD 10

Responsible-Changed-From-To: freebsd-ports-bugs->rene
Responsible-Changed-By: edwin
Responsible-Changed-When: Sun Nov 6 10:00:34 UTC 2011
Responsible-Changed-Why: 
Submitter has GNATS access (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=162325