fix error begin func (cannot compile)

Author: hafidhh

library.json

@@ -1,6 +1,6 @@
 {
 		"name": "FlowSensor",
-		"version": "1.4.0",
+		"version": "1.5.0",
 		"keywords": "sensor, arduino",
 		"description": "Flow Sensor Library, Water Flow Rate, Water Volume",
 		"repository": {

library.properties

@@ -1,5 +1,5 @@
 name=FlowSensor
-version=1.4.0
+version=1.5.0
 author=hafidhh
 maintainer=hafidhh <[email protected]>
 sentence=Flow Sensor library for Arduino.

src/FlowSensor.cpp

@@ -51,7 +51,7 @@ void FlowSensor::setPin(uint8_t pin)
  * @param userFunc 
  * @param pullup default value is fasle (0), if you have external pull up you can set to true (1)
  */
-void FlowSensor::begin(void (*userFunc)(void), bool pullup = false)
+void FlowSensor::begin(void (*userFunc)(void), bool pullup)
 {
 	if (pullup == true)
 		pinMode(this->_pin, INPUT);

src/FlowSensor.h

@@ -35,7 +35,7 @@ class FlowSensor
 
 public:
 	FlowSensor(uint16_t type ,uint8_t pin);
-	void begin(void (*userFunc)(void));
+	void begin(void (*userFunc)(void), bool pullup = false);
 	void count();
 	void read(long calibration = 0);
 	void setType(uint16_t type);