setrgb(): Use arrow operator (#10451)

quantum/rgblight.c

@@ -132,11 +132,11 @@ void sethsv_raw(uint8_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) {
 void sethsv(uint8_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) { sethsv_raw(hue, sat, val > RGBLIGHT_LIMIT_VAL ? RGBLIGHT_LIMIT_VAL : val, led1); }
 
 void setrgb(uint8_t r, uint8_t g, uint8_t b, LED_TYPE *led1) {
-    (*led1).r = r;
-    (*led1).g = g;
-    (*led1).b = b;
+    led1->r = r;
+    led1->g = g;
+    led1->b = b;
 #ifdef RGBW
-    (*led1).w = 0;
+    led1->w = 0;
 #endif
 }