selftests: forwarding: bridge_mdb: Fix a typo

Add the letter missing from the word "INCLUDE".
Signed-off-by: NPetr Machata <petrm@nvidia.com>
Reviewed-by: NIdo Schimmel <idosch@nvidia.com>
Acked-by: NNikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

tools/testing/selftests/net/forwarding/bridge_mdb.sh

@@ -1054,7 +1054,7 @@ ctrl_igmpv3_is_in_test()
 
 	bridge mdb del dev br0 port $swp1 grp 239.1.1.1 vid 10
 
-	log_test "IGMPv3 MODE_IS_INCLUE tests"
+	log_test "IGMPv3 MODE_IS_INCLUDE tests"
 }
 
 ctrl_mldv2_is_in_test()