Output error for disabled M303

Marlin/temperature.h

@@ -169,7 +169,9 @@ int getHeaterPower(int heater);
 void disable_all_heaters();
 void updatePID();
 
-void PID_autotune(float temp, int extruder, int ncycles, bool set_result=false);
+#if ENABLED(PIDTEMP)
+  void PID_autotune(float temp, int extruder, int ncycles, bool set_result=false);
+#endif
 
 void setExtruderAutoFanState(int pin, bool state);
 void checkExtruderAutoFans();