More empty body checks

[Mike Stump]

On Apr 26, 2007, at 6:39 AM, Dirk Mueller wrote:
> interesting. I think that would make sense to be implemented in c- 
> common like
> the other empty body warnings (as they could benefit from that as  
> well). is
> that possible?

I'm sure someone could find a way...  The hard part is that the  
tokens are not shared between languages nor is the lexer, just a  
simple manner of unifying them.  :-)