reinit for retrieving new uid after block 0 write

utils/nfc-mfclassic.c

@@ -490,7 +490,18 @@ write_card(int write_block_zero)
  return false;
 
  }
-
+ if (magic2 || magic3) {
+ if (nfc_initiator_init(pnd) < 0) {
+ nfc_perror(pnd, "nfc_initiator_init");
+ nfc_close(pnd);
+ nfc_exit(context);
+ exit(EXIT_FAILURE);
+ };
+ if (nfc_initiator_select_passive_target(pnd, nmMifare, NULL, 0, &nt) <= 0) {
+ printf("!\nError: tag was removed\n");
+ return false;
+ }
+ }
  // Completely write the card, but skipping block 0
  for (uiBlock = 1; uiBlock <= uiBlocks; uiBlock++) {
  // Authenticate everytime we reach the first sector of a new block