Fix possible null pointer dereference
Fix possible null pointer dereference

mwgoldsmith/bluray,EdwardNewK/libbluray,mwgoldsmith/bluray,koying/libbluray,tourettes/libbluray,EdwardNewK/libbluray,ace20022/libbluray,koying/libbluray,Distrotech/libbluray,EdwardNewK/libbluray,ShiftMediaProject/libbluray,tourettes/libbluray,Distrotech/libbluray,Azzuro/libbluray,koying/libbluray,UIKit0/libbluray,Distrotech/libbluray,ShiftMediaProject/libbluray,koying/libbluray,vlc-mirror/libbluray,vlc-mirror/libbluray,ace20022/libbluray,UIKit0/libbluray,ShiftMediaProject/libbluray,Azzuro/libbluray,tourettes/libbluray,UIKit0/libbluray,UIKit0/libbluray,Distrotech/libbluray,Azzuro/libbluray,ace20022/libbluray,EdwardNewK/libbluray,Azzuro/libbluray,mwgoldsmith/bluray,vlc-mirror/libbluray,mwgoldsmith/bluray,tourettes/libbluray,vlc-mirror/libbluray,ace20022/libbluray,ShiftMediaProject/libbluray