Method cleanup

server/VirtualWin.cpp:164–169

void VirtualWin::cleanup(void)
{
	CriticalSection::SafeLock l(mutex);
	if(deletedByWM) THROW("Window has been deleted by window manager");
	delete oldDraw;  oldDraw = NULL;
}


void VirtualWin::initFromWindow(VGLFBConfig config_)