Add missing bracket for VIA brightness scaling (#17354)

quantum/via.c

@@ -491,7 +491,7 @@ void via_qmk_rgblight_set_value(uint8_t *data) {
     uint8_t *value_data = &(data[1]);
     switch (*value_id) {
         case id_qmk_rgblight_brightness: {
-            rgblight_sethsv_noeeprom(rgblight_get_hue(), rgblight_get_sat(), ((uint16_t)value_data[0] * RGBLIGHT_LIMIT_VAL) / UINT8_MAX;
+            rgblight_sethsv_noeeprom(rgblight_get_hue(), rgblight_get_sat(), ((uint16_t)value_data[0] * RGBLIGHT_LIMIT_VAL) / UINT8_MAX);
             break;
         }
         case id_qmk_rgblight_effect: {