Bug 795964 - pack nsListenerStruct better on 64-bit platforms; r=smaug

content/events/src/nsEventListenerManager.h

@@ -40,8 +40,8 @@ typedef enum
 struct nsListenerStruct
 {
   nsRefPtr<nsIDOMEventListener> mListener;
-  uint32_t                      mEventType;
   nsCOMPtr<nsIAtom>             mTypeAtom;
+  uint32_t                      mEventType;
   uint16_t                      mFlags;
   uint8_t                       mListenerType;
   bool                          mListenerIsHandler : 1;