Trivial spelling fix

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1411

cmd/zfs/zfs_main.c

@@ -5383,7 +5383,7 @@ get_one_dataset(zfs_handle_t *zhp, void *data)
 	}
 
 	/*
-	 * Interate over any nested datasets.
+	 * Iterate over any nested datasets.
 	 */
 	if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
 		zfs_close(zhp);

module/zfs/zfs_dir.c

@@ -562,7 +562,7 @@ zfs_unlinked_drain(zfs_sb_t *zsb)
 	int		error;
 
 	/*
-	 * Interate over the contents of the unlinked set.
+	 * Iterate over the contents of the unlinked set.
 	 */
 	for (zap_cursor_init(&zc, zsb->z_os, zsb->z_unlinkedobj);
 	    zap_cursor_retrieve(&zc, &zap) == 0;