code review request for 6880112, Coin: use diamond in core libraries

[Alan Bateman]

Brian Goetz wrote:
> :
> Are there reasons to avoid fixing these when we're touching the code?
I can't think of any reasons. It's mostly a question as to whether the 
automated refactoring can do this or whether we should "fix up" such 
cases manually. I only spotted a few when reviewing this patch so it's 
not a major issue this time.

-Alan