Created API and hfsplus interface of HFS+ blessing.

But iso_write_opts_bless() is still a dummy.

libisofs/libisofs.ver

@@ -262,6 +262,7 @@ iso_tree_set_replace_mode;
 iso_tree_set_report_callback;
 iso_util_decode_md5_tag;
 iso_write_opts_attach_jte;
+iso_write_opts_bless;
 iso_write_opts_detach_jte;
 iso_write_opts_free;
 iso_write_opts_get_data_start;