Clear WDRF flag and set WDCE before enabling watchdog

src/main.c

@@ -57,14 +57,6 @@ static int Init(void)
 
 	Info("Initializing...");
 
-	// FIXME: Something is wrong here:
-	// - AVRDUDE sometimes fails to verify flash.
-	// - UART sometimes stops working.
-	// - External crystal problems?
-	// - Power supply problems?
-	// - Wrong fuses? Unlikely.
-	// - Bootloader problems?
-
 	// The watchdog timer is clocked from a separate
 	// on-chip oscillator which runs at 1 MHz. Eight
 	// different clock cycle periods can be selected