Recording correct test results in funcs_1.myisam_trig_0407, related to the...

Recording correct test results in funcs_1.myisam_trig_0407, related to the recent "Trigger already exists" change.

mysql-test/suite/funcs_1/r/myisam_trig_0407.result

@@ -459,7 +459,7 @@ Create trigger trg_3_406010_2 AFTER DELETE
 on tb3 for each row set @test_var=@test_var+50;
 Create trigger trg_3_406010_1 AFTER INSERT
 on tb3 for each row set @test_var=@test_var+1;
-ERROR HY000: Trigger already exists
+ERROR HY000: Trigger 'test.trg' already exists
 select @test_var;
 @test_var
 1