Fixed problem with tofte test.

tests/sunspider-date-format-tofte.js

@@ -294,7 +294,7 @@ var date = new Date("1/1/2007 1:11:11");
 startTest("sunspider-date-format-tofte");
 
 test("Format Date", function(){
-	for (i = 0; i < 50; ++i) {
+	for (var i = 0; i < 50; ++i) {
     		var shortFormat = date.formatDate("Y-m-d");
     		var longFormat = date.formatDate("l, F d, Y g:i:s A");
     		date.setTime(date.getTime() + 84266956);