Hewlett Packard director Rajiv L. Gupta is coming to the aid of three other directors who have recently caught the ire of a proxy adviser. If you missed it, Institutional Shareholder Services called for shareholders to oust HP’s board chairman Ray Lane and two other directors, John Hammergren and Ken Thompson, because they were seated on the board when the company made its disastrous Autonomy deal in 2011. HP (NYSE:HPQ) took an $8.8 billion writedown on its Autonomy buy in November, and the deal…