small indent fix

cores/arduino/main.cpp

@@ -27,9 +27,9 @@ int main( void )
   init();
 
   delay(1);
-#if defined(USBCON)
-	USBDevice.init();
-	USBDevice.attach();
+#if defined(USBCON)
+  USBDevice.init();
+  USBDevice.attach();
 #endif
 
   setup();

cores/arduino/wiring.c

@@ -85,7 +85,7 @@ void init( void )
   PM->APBCMASK.reg |= PM_APBCMASK_ADC | PM_APBCMASK_DAC ;
 
   // Setup all pins (digital and analog) in INPUT mode (default is nothing)
-	for ( ul = 0 ; ul < NUM_DIGITAL_PINS ; ul++ )
+  for ( ul = 0 ; ul < NUM_DIGITAL_PINS ; ul++ )
   {
 	  pinMode( ul, INPUT ) ;
   }