Method vS8Printf

rEFIt_UEFI/cpp_foundation/XString.h:63–67

	}
public:
	void vS8Printf(const char* format, va_list va)
	{
		setEmpty();
		vprintf_with_callback(format, va, transmitS8Printf, this);
	}
	void S8Printf(const char* format, ...) __attribute__((__format__(__printf__, 2, 3)))
	{
		va_list     va;