Let me create a better suggestion: if the diff between the closed version of the post and the most recent version of the post has absolutely no change to the content, then toss it out of the queue, and invalidate any existing reviews on it.
The only reason you want to be told there were two edits is because there doesn't appear to have been any change. Items are tossed in to the review queue if they are edited after being closed to give askers a chance to improve their post for re-evaluation. If they didn't actually make any revision, tossing them in to the queue for that reason seems rather pointless.
So if the diff between the version when closed and the version after editing are the same, toss it out of the queue if the reason for the review is 'post has been edited'. Test to see if this is the case prior to showing the review task, and if the posts are the same invalidate any existing review votes on the question and take it out of the queue. If it was tossed in to the queue manually by someone clicking reopen, leave it in the queue. This makes me wonder if people are abusing this to manually try to get their own posts reopened (editing and editing back changes to get it in the review queue).