Move public members above protected members in rule watch node

src/Composer/DependencyResolver/RuleWatchNode.php

@@ -17,11 +17,11 @@ namespace Composer\DependencyResolver;
  */
 class RuleWatchNode
 {
-    protected $rule;
-
     public $watch1;
     public $watch2;
 
+    protected $rule;
+
     public function __construct($rule)
     {
         $this->rule = $rule;