dhcp: style fix

src/etc/inc/services.inc

@@ -1393,9 +1393,10 @@ function services_dhcrelay_configure($verbose = false)
                         break;
                     }
                 }
-            } else
+            } else {
                 $destif = get_real_interface("wan");
             }
+        }
 
         if (!empty($destif)) {
             $dhcrelayifs[] = $destif;