The math/scilab port does not work on FreeBSD 5.0 due to
an header conflict. The following patch sent by Lyndon
Nerenberg (ports/47498) fixes the problem.
Reported by: Kris Kennaway (kris@obsecurity.org)
Fix by: Lyndon Nerenberg (lyndon@orthanc.ab.ca)
PR: ports/47508
Submitted by: Jean-Sebastien Roy <js@jeannot.org>