A federal judge approved a $9 million settlement Thursday in a class-action lawsuit by consumers who complained of allergic reactions to genetically modified corn in supermarket products...The StarLink corn seed...had been approved by the [U.S.] Environmental Protection Agency for use in animal feed but not for human consumption...Aventis and Garst were defendants in the lawsuit along with Kraft Foods Co. of Glenview, Ill.; Azteca Foods Inc. of Chicago; Azteca Milling, Co. of Edinburg, Texas; and a sister company, Mission Foods Co.