net: sctp: trivial: fix typo in comment

Fix typo of 'overflow' for comment in sctp_tsnmap_check().

Reported-by: Gustavo A. R. Silva <[e-mail]>
Signed-off-by: Drew Fustini <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/sctp/tsnmap.c

···
 		return 1;
 
 	/* Verify that we can hold this TSN and that it will not
-	 * overlfow our map
+	 * overflow our map
 	 */
 	if (!TSN_lt(tsn, map->base_tsn + SCTP_TSN_MAP_SIZE))
 		return -1;