minor whitespace cleanup

src/core/Events.js

@@ -9,6 +9,7 @@ L.Mixin = {};
 L.Mixin.Events = {
 
 	addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
+		
 		var events = this[key] = this[key] || {},
 		    type, i, len, evt,
 		    contextId, objKey, objLenKey, eventsObj;