CANADA STOCKS-TSX steady as market cools ahead of long weekend

* TSX up 5.82 points, or 0.04 percent, at 14,452.34 * Seven of the 10 main index sectors advance * Gold-mining shares slip along with bullion price By John Tilak TORONTO, April 17 (Reuters) - Canada's main stock index was little changed on Thursday with investors reluctant to take new positions ahead of the long Easter weekend, and with the market settling down after a volatile phase of steep advances and sharp dives. Weakness in the natural resource sectors following declin