Update Adafruit_MCP23017.cpp

Author: PsuFan

Adafruit_MCP23017.cpp

@@ -130,12 +130,12 @@ void Adafruit_MCP23017::begin(uint8_t addr, TwoWire *theWire) {
   writeRegister(MCP23017_IODIRB, 0xff);
 
   // Turn off interrupt triggers
-  writeRegister(MCP23017_GPINTENA, 0x0);
-  writeRegister(MCP23017_GPINTENB, 0x0);
+  writeRegister(MCP23017_GPINTENA, 0x00);
+  writeRegister(MCP23017_GPINTENB, 0x00);
 
   // Turn off pull up resistors
-  writeRegister(MCP23017_GPPUA, 0x0);
-  writeRegister(MCP23017_GPPUB, 0x0); 
+  writeRegister(MCP23017_GPPUA, 0x00);
+  writeRegister(MCP23017_GPPUB, 0x00); 
 }
 
 /**