mingw-w64-libmicrohttpd: update to 0.9.74
mingw-w64-libmicrohttpd: update to 0.9.74

* Removed patches (integrated upstream)
* Enabled full testing (curl was fixed many versions ago)
* Upstream defaults to Vista+, no need for CPPFLAGS

oroppas/MINGW-packages,JPeterMugaas/MINGW-packages,lhmouse/MINGW-packages,oroppas/MINGW-packages,JPeterMugaas/MINGW-packages,JPeterMugaas/MINGW-packages,fabiangreffrath/MINGW-packages,oroppas/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,fabiangreffrath/MINGW-packages,Alexpux/MINGW-packages,lhmouse/MINGW-packages,Alexpux/MINGW-packages,Alexpux/MINGW-packages,fabiangreffrath/MINGW-packages,oscarfv/MINGW-packages,oroppas/MINGW-packages,stahta01/MINGW-packages,JPeterMugaas/MINGW-packages,JPeterMugaas/MINGW-packages,oscarfv/MINGW-packages,fabiangreffrath/MINGW-packages,oroppas/MINGW-packages,Alexpux/MINGW-packages,Alexpux/MINGW-packages,stahta01/MINGW-packages,stahta01/MINGW-packages,oroppas/MINGW-packages,lhmouse/MINGW-packages,JPeterMugaas/MINGW-packages,fabiangreffrath/MINGW-packages,Alexpux/MINGW-packages,oscarfv/MINGW-packages,oscarfv/MINGW-packages,oscarfv/MINGW-packages,stahta01/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,lhmouse/MINGW-packages,oscarfv/MINGW-packages,fabiangreffrath/MINGW-packages