New (yet inofficial) -as mkisofs option -hfsplus-serial-no

libisoburn/trunk/xorriso/base_obj.c

@@ -260,6 +260,7 @@ int Xorriso_new(struct XorrisO ** xorriso,char *progname, int flag)
    m->appended_part_types[i]= 0;
  }
  m->ascii_disc_label[0]= 0;
+ memset(m->hfsp_serial_number, 0, 8);
  m->vol_creation_time= 0;
  m->vol_modification_time= 0;
  m->vol_expiration_time= 0;