update libvlc for GnuTLS
update libvlc for GnuTLS

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