make listbox for "from" charset contain only UTF-8 since that is the only support encoding for vorbis comments
make listbox for "from" charset contain only UTF-8 since that is the only support encoding for vorbis comments

waitman/flac,LordJZ/libflac,Distrotech/flac,waitman/flac,Distrotech/flac,LordJZ/libflac,waitman/flac,LordJZ/libflac,kode54/flac,Distrotech/flac,waitman/flac,fredericgermain/flac,kode54/flac,waitman/flac,fredericgermain/flac,Distrotech/flac,LordJZ/libflac,fredericgermain/flac,fredericgermain/flac,kode54/flac,kode54/flac