Merge branch 'toneMinor' of https://github.com/onovy/Arduino

Author: cmaglie

hardware/arduino/avr/cores/arduino/Tone.cpp

@@ -485,6 +485,7 @@ void noTone(uint8_t _pin)
     if (tone_pins[i] == _pin) {
       _timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
       tone_pins[i] = 255;
+      break;
     }
   }