mlx4_core: Fix some indenting in mlx4_ib_add()

The code was indented too far and also kernel style says we should have
curly braces.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

drivers/infiniband/hw/mlx4/main.c

@@ -2056,8 +2056,9 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 			err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]);
 			if (err)
 				ibdev->counters[i] = -1;
-		} else
-				ibdev->counters[i] = -1;
+		} else {
+			ibdev->counters[i] = -1;
+		}
 	}
 
 	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)