Fix missing var declaration for the length iterator.

src/event.js

@@ -861,7 +861,7 @@ jQuery.fn.extend({
 
 function liveHandler( event ) {
 	var stop = true, elems = [], selectors = [], args = arguments,
-		related, match, fn, elem, j, i, data,
+		related, match, fn, elem, j, i, l, data,
 		live = jQuery.extend({}, jQuery.data( this, "events" ).live);
 
 	for ( j in live ) {