net/if.h depends on it on some systems (Darwin & FreeBSD at least)

Qt4 - SPrefs, device selection. Please Review, since I am far from sure that this is a good idea... 
Moreover, is it config_PutPsz( p, name, ASCII ) or  config_PutPsz( p, name, UTF-8 )  ?

* fixed Apple Remote support for Leopard. Note that the cookie for kRemoteControl_Switched wasn't updated, but since we don't use this feature in VLC, that's pretty fine.