batman-adv: fix misspelled words

Reported-by: checkpatch
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 139d2f6..da83982 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -456,7 +456,7 @@
 	 * the last chosen bonding candidate (next_candidate). If no such
 	 * router is found, use the first candidate found (the previously
 	 * chosen bonding candidate might have been the last one in the list).
-	 * If this can't be found either, return the previously choosen
+	 * If this can't be found either, return the previously chosen
 	 * router - obviously there are no other candidates.
 	 */
 	rcu_read_lock();