limitExecByInterval fixes

src/core/Util.js

@@ -71,23 +71,28 @@ L.Util = {
 	}()),
 
 	limitExecByInterval: function (fn, time, context) {
-		var lock, execOnUnlock, args;
-		function exec() {
+		var lock, execOnUnlock;
+		
+		return function wrapperFn() {
+			var args = arguments;
+
+			if (lock) {
+				execOnUnlock = true;
+				return;
+			}
+
+			lock = true;
+			
+			setTimeout(function () {
 				lock = false;
+				
 				if (execOnUnlock) {
-				args.callee.apply(context, args);
+					wrapperFn.apply(context, args);
 					execOnUnlock = false;
 				}
-		}
-		return function () {
-			args = arguments;
-			if (!lock) {
-				lock = true;
-				setTimeout(exec, time);
+			}, time);
+
 			fn.apply(context, args);
-			} else {
-				execOnUnlock = true;
-			}
 		};
 	},