libproxy: update to 0.4.18
libproxy: update to 0.4.18

Disable building KDE module because the code is for unix-like systems only.
oroppas/MINGW-packages,JPeterMugaas/MINGW-packages,oscarfv/MINGW-packages,lhmouse/MINGW-packages,fabiangreffrath/MINGW-packages,oscarfv/MINGW-packages,JPeterMugaas/MINGW-packages,oroppas/MINGW-packages,lhmouse/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,oscarfv/MINGW-packages,oscarfv/MINGW-packages,fabiangreffrath/MINGW-packages,fabiangreffrath/MINGW-packages,lhmouse/MINGW-packages,fabiangreffrath/MINGW-packages,stahta01/MINGW-packages,oroppas/MINGW-packages,oroppas/MINGW-packages,oscarfv/MINGW-packages,JPeterMugaas/MINGW-packages,JPeterMugaas/MINGW-packages,lhmouse/MINGW-packages,oscarfv/MINGW-packages,JPeterMugaas/MINGW-packages,stahta01/MINGW-packages,oroppas/MINGW-packages,stahta01/MINGW-packages,JPeterMugaas/MINGW-packages,oroppas/MINGW-packages,fabiangreffrath/MINGW-packages,stahta01/MINGW-packages,stahta01/MINGW-packages,lhmouse/MINGW-packages,fabiangreffrath/MINGW-packages