Do not regard file as changed just because no ino was recorded

libisoburn/trunk/xorriso/sort_cmp.c

@@ -548,6 +548,7 @@ ex:;
 
 /*
    @param flag  bit0= iso_rr_path is freshly added and up to date
+                bit1= do not mark as changed content (implied by bit0 too)
                 bit2= -follow: this is not a command parameter
    @return -1= severe error
             0= not applicable for hard links
@@ -582,7 +583,7 @@ int Xorriso_hardlink_update(struct XorrisO *xorriso, int *compare_result,
     it must be updated now, even if it has currently no siblings
     which it leaves or which it joins.
  */
- if(!(flag & 1))
+ if(!(flag & (1 | 2)))
    do_overwrite= 1;
 
  Xorriso__get_di(node, &old_dev, &old_ino, 0);