Update portmidi with more recent portmedia release
Update portmidi with more recent portmedia release

Portmidi is no longer maintained as a standalone package,
but is maintained as part of the larger portmedia release.
oroppas/MINGW-packages,lhmouse/MINGW-packages,JPeterMugaas/MINGW-packages,fabiangreffrath/MINGW-packages,oscarfv/MINGW-packages,stahta01/MINGW-packages,lhmouse/MINGW-packages,Alexpux/MINGW-packages,stahta01/MINGW-packages,JPeterMugaas/MINGW-packages,InitialForce/MINGW-packages,JPeterMugaas/MINGW-packages,stahta01/MINGW-packages,Alexpux/MINGW-packages,fabiangreffrath/MINGW-packages,Alexpux/MINGW-packages,fabiangreffrath/MINGW-packages,Alexpux/MINGW-packages,oroppas/MINGW-packages,oroppas/MINGW-packages,JPeterMugaas/MINGW-packages,Alexpux/MINGW-packages,InitialForce/MINGW-packages,oroppas/MINGW-packages,oroppas/MINGW-packages,oscarfv/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,fabiangreffrath/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,oscarfv/MINGW-packages,oscarfv/MINGW-packages,oscarfv/MINGW-packages,JPeterMugaas/MINGW-packages,oroppas/MINGW-packages,fabiangreffrath/MINGW-packages,Alexpux/MINGW-packages,oscarfv/MINGW-packages,stahta01/MINGW-packages,fabiangreffrath/MINGW-packages,lhmouse/MINGW-packages,JPeterMugaas/MINGW-packages,lhmouse/MINGW-packages,InitialForce/MINGW-packages