MFH: r515320

graphics/py-geomdl: Update to 5.2.9

PR: 240623
Submitted by: Loïc Bartoletti <lbartoletti@tuxfamily.org> (maintainer)
Relnotes: https://github.com/orbingol/NURBS-Python/blob/master/CHANGELOG.md#v529-released-on-2019-09-10

Approved by: portmgr (miwi)