e1000e: cleanup - use braces in both branches of a conditional statement

Signed-off-by: NBruce Allan <bruce.w.allan@intel.com>
Tested-by: NAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/e1000e/netdev.c

@@ -3756,8 +3756,9 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
 	if (adapter->flags & FLAG_MSI_TEST_FAILED) {
 		adapter->int_mode = E1000E_INT_MODE_LEGACY;
 		e_info("MSI interrupt test failed, using legacy interrupt.\n");
-	} else
+	} else {
 		e_dbg("MSI interrupt test succeeded!\n");
+	}
 
 	free_irq(adapter->pdev->irq, netdev);
 	pci_disable_msi(adapter->pdev);