New option -scdbackup_tag

libisoburn/trunk/xorriso/xorriso_private.h

@@ -130,6 +130,8 @@ struct XorrisO { /* the global context of xorriso */
                  bit3= make file content stability check by double reading
                  bit4= use recorded MD5 as proxy of ISO file
                */
+ char scdbackup_tag_name[81];
+ char scdbackup_tag_time[19];
 
  int relax_compliance;        /* opaque bitfield to be set by xorrisoburn */
  int do_follow_pattern;