mac80211: set MESH_TTL to 31

Update the mesh time to live field to 31 according to draft 3.03.
Signed-off-by: NRui Paulo <rpaulo@gmail.com>
Signed-off-by: NJavier Cardona <javier@cozybit.com>
Reviewed-by: NAndrey Yurovsky <andrey@cozybit.com>
Tested-by: NBrian Cavagnolo <brian@cozybit.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

net/mac80211/mesh.h

@@ -174,7 +174,7 @@ struct mesh_rmc {
 #define MESH_CFG_CMP_LEN 	(IEEE80211_MESH_CONFIG_LEN - 2)
 
 /* Default values, timeouts in ms */
-#define MESH_TTL 		5
+#define MESH_TTL 		31
 #define MESH_MAX_RETR	 	3
 #define MESH_RET_T 		100
 #define MESH_CONF_T 		100