fix error when convert grammar in js

Author: Student Main

shadowsocks-csharp/Data/abp.js

@@ -11,13 +11,13 @@ var rules = [];
 
 // convert to abp grammar
 for (var i = 0; i < __RULES__.length; i++) {
-    var s = __RULES__.pop();
+    var s = __RULES__[i];
     if (s.substring(0, 2) == "||") s += "^";
     rules.push(s);
 }
 
 for (var i = 0; i < __USERRULES__.length; i++) {
-    var s = __USERRULES__.pop();
+    var s = __USERRULES__[i];
     if (s.substring(0, 2) == "||") s += "^";
     userrules.push(s);
 }