Removed some outdated code parts

libisoburn/trunk/xorriso/xorrisoburn.c

@@ -2438,9 +2438,10 @@ unsupported_type:;
 
 /* @param flag bit0= in_node is valid, do not resolve img_path
                bit1= test mode: print DEBUG messages
-   @return  <0 = error, 0 = not identical regular files , 1 = identical
+   @return  <0 = error,
+             0 = surely not identical regular files ,
+             1 = surely identical
              2 = potentially depending on unknown disk file (e.g. -cut_out)
-                 and hitting an existing disk file object
 */
 int Xorriso_restore_is_identical(struct XorrisO *xorriso, void *in_node,
                                  char *img_path, char *disk_path,
@@ -2457,6 +2458,8 @@ int Xorriso_restore_is_identical(struct XorrisO *xorriso, void *in_node,
  struct stat stbuf;
 
  memset(type_text, 0, 5);
+ if(!xorriso->volset_change_pending)
+   return(0);
  if(flag&1) {
    node= (IsoNode *) in_node;
  } else {