meta_parse: use xmlFree() for libxml allocated memory.
meta_parse: use xmlFree() for libxml allocated memory.

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