mData[0] instead of void

Dashboard/Dashboard.ino

@@ -90,7 +90,7 @@ struct
   uint8_t holdLeft : 1;
   uint8_t holdRight : 1;
   // mData leds[NUMLEDS];
-  void leds;   // Sorry, but this buffer drains a lot of memory
+  mData leds[0];   // Sorry, but this buffer drains a lot of memory
 
   // Measured data
   uint16_t ppm : 13; // CO2 ppm (surely cant be more than 8192)