CANADA STOCKS-TSX steady as market awaits Fed outcome

* TSX falls 4.25 points, or 0.03 percent, to 13,180.16 * Six of 10 main index sectors advance * Saputo rises after raising Warrnambool bid * Athabasca stumbles after releasing 2014 spending plans By John Tilak TORONTO, Dec 17 (Reuters) - Canada's main stock index closed little changed on Tuesday as investors awaited the outcome of a Federal Reserve meeting that could determine the future of the U.S. central bank's bond buying program. Weakness in commodity prices, which