bd_info: added const
bd_info: added const

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