juce_mac_SystemStats.mm:
------------------------

HiResCounterHandler():
		if(denominator == 0)
			denominator = 1000000;

millisecondsSinceStartup():
		int64 temp = denominator;

		if(temp == 0)
			temp = 1000000;

        return (uint32) ((mach_absolute_time() * numerator) / temp);