I wouldn't panic but you do want to have the power steering system flushed and refilled. Antifreeze doesn't have the lubricating properties found in power steering fluid. Power steering fluid is hydraulic oil meant to withstand very high pressures.
The mixed fluid to really watch out for is the brake fluid. Any hint of a petroleum product like power steering fluid, engine oil, transmission fluid, penetrating oil, or wheel bearing grease becomes a REAL expensive problem very quickly.
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Saturday, March 16th, 2013 AT 1:26 AM