mac80211: trivial documentation fix (mesh_nexthop_lookup()).

This patch fixes the documentation of mesh_nexthop_lookup() in mesh_hwmp.c.
Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/mesh_hwmp.c

@@ -759,7 +759,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
 }
 
 /**
- * ieee80211s_lookup_nexthop - put the appropriate next hop on a mesh frame
+ * mesh_nexthop_lookup - put the appropriate next hop on a mesh frame
  *
  * @skb: 802.11 frame to be sent
  * @sdata: network subif the frame will be sent through