ports/83985: math/py-numeric build failure (patch included)

[Soeren Straarup]

This is similar to ports/83944

Best regards Soeren Straarup

Soeren Straarup   | aka OZ2DAK aka Xride
FreeBSD wannabe   | FreeBSD since 2.2.6-R
    'We wanted to believe. But the tools
     had been taken away..' Mulder