batman-adv: Fix misspelled "wont"

checkpatch started to complain about the mispelling of:

  CHECK: 'wont' may be misspelled - perhaps 'won't'?
  #459: FILE: ./net/batman-adv/bat_iv_ogm.c:459:
  +    * - the resulting packet wont be bigger than
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>

net/batman-adv/bat_iv_ogm.c

@@ -456,7 +456,7 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet,
 	 * if:
 	 *
 	 * - the send time is within our MAX_AGGREGATION_MS time
-	 * - the resulting packet wont be bigger than
+	 * - the resulting packet won't be bigger than
 	 *   MAX_AGGREGATION_BYTES
 	 * otherwise aggregation is not possible
 	 */