* fix for FreeBSD9 compatibility break where sem_t is no longer an opague pointer but a record.
    Since it will only waste some stack space, one can the FreeBSD9 structure on all versions.


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23589 3ad0048d-3df7-0310-abae-a5850022a9f2