Remove a private data member not needed to carry.
Remove a private data member not needed to carry.

taglib/taglib,Distrotech/taglib,Distrotech/taglib,black78/taglib,black78/taglib,TsudaKageyu/taglib,taglib/taglib,Distrotech/taglib,TsudaKageyu/taglib,taglib/taglib,black78/taglib,TsudaKageyu/taglib