meta_parse: fix memory leaks
meta_parse: fix memory leaks

mwgoldsmith/bluray,tourettes/libbluray,tourettes/libbluray,mwgoldsmith/bluray,mwgoldsmith/bluray,ShiftMediaProject/libbluray,ShiftMediaProject/libbluray,Azzuro/libbluray,ace20022/libbluray,ace20022/libbluray,ShiftMediaProject/libbluray,Azzuro/libbluray,tourettes/libbluray,Azzuro/libbluray,ace20022/libbluray,mwgoldsmith/bluray,tourettes/libbluray,ShiftMediaProject/libbluray,ace20022/libbluray,Azzuro/libbluray