osx/framework: handle exceptions if there are no SPUs
osx/framework: handle exceptions if there are no SPUs

CollabraMusic/VLCKit,programming086/VLCKit,larrytin/VLCKit,siuying/VLCKit,kamcord/VLCKit,kamcord/VLCKit,hpsoar/VLCKit,kamcord/VLCKit,hpsoar/VLCKit,waterskier2007/VLCKit,larrytin/VLCKit,waterskier2007/VLCKit,siuying/VLCKit,simon1984/test,CollabraMusic/VLCKit,siuying/VLCKit,simon1984/test,CollabraMusic/VLCKit,brion/VLCKit,strukturag/VLCKit,simon1984/test,waterskier2007/VLCKit,i386/vlckit,strukturag/VLCKit,programming086/VLCKit