macosx/framework: Don't pass an empty framework path.
macosx/framework: Don't pass an empty framework path.

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