netlabel: Fix spelling mistakes

Fix some spelling mistakes in comments:
Interate ==> Iterate
sucess ==> success

Signed-off-by: Zheng Yongjun <[e-mail]>
Acked-by: Paul Moore <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/netlabel/netlabel_domainhash.c

···
  * @cb_arg: argument for the callback function
  *
  * Description:
- * Interate over the domain mapping hash table, skipping the first @skip_bkt
+ * Iterate over the domain mapping hash table, skipping the first @skip_bkt
  * buckets and @skip_chain entries.  For each entry in the table call
  * @callback, if @callback returns a negative value stop 'walking' through the
  * table and return.  Updates the values in @skip_bkt and @skip_chain on

net/netlabel/netlabel_kapi.c

···
  * it in @bitmap.  The @offset must be aligned to an unsigned long and will be
  * updated on return if different from what was requested; if the catmap is
  * empty at the requested offset and beyond, the @offset is set to (u32)-1.
- * Returns zero on sucess, negative values on failure.
+ * Returns zero on success, negative values on failure.
  *
  */
 int netlbl_catmap_getlong(struct netlbl_lsm_catmap *catmap,