mtd: nftl: clean up indentation, remove extraneous tabs

The hunk of code is indented too much by one level, fix this by
removing the extraneous tabs. Also terminate block comment using
the recommended coding style to clean up checkpatch warning.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>

drivers/mtd/nftlmount.c

@@ -346,25 +346,26 @@ int NFTL_formatblock(struct NFTLrecord *nftl, int block)
 		goto fail;
 	}
 
-		/* increase and write Wear-Leveling info */
-		nb_erases = le32_to_cpu(uci.WearInfo);
-		nb_erases++;
-
-		/* wrap (almost impossible with current flash) or free block */
-		if (nb_erases == 0)
-			nb_erases = 1;
-
-		/* check the "freeness" of Erase Unit before updating metadata
-		 * FixMe:  is this check really necessary ? since we have check the
-		 *         return code after the erase operation. */
-		if (check_free_sectors(nftl, instr->addr, nftl->EraseSize, 1) != 0)
-			goto fail;
-
-		uci.WearInfo = le32_to_cpu(nb_erases);
-		if (nftl_write_oob(mtd, block * nftl->EraseSize + SECTORSIZE +
-				   8, 8, &retlen, (char *)&uci) < 0)
-			goto fail;
-		return 0;
+	/* increase and write Wear-Leveling info */
+	nb_erases = le32_to_cpu(uci.WearInfo);
+	nb_erases++;
+
+	/* wrap (almost impossible with current flash) or free block */
+	if (nb_erases == 0)
+		nb_erases = 1;
+
+	/* check the "freeness" of Erase Unit before updating metadata
+	 * FixMe:  is this check really necessary ? since we have check the
+	 *         return code after the erase operation.
+	 */
+	if (check_free_sectors(nftl, instr->addr, nftl->EraseSize, 1) != 0)
+		goto fail;
+
+	uci.WearInfo = le32_to_cpu(nb_erases);
+	if (nftl_write_oob(mtd, block * nftl->EraseSize + SECTORSIZE +
+			   8, 8, &retlen, (char *)&uci) < 0)
+		goto fail;
+	return 0;
 fail:
 	/* could not format, update the bad block table (caller is responsible
 	   for setting the ReplUnitTable to BLOCK_RESERVED on failure) */