[RFC, testsuite] Remove semicolon after 'return'

[Mark Kettenis]

> Date: Thu, 14 Mar 2013 21:33:37 +0800
> From: Yao Qi <yao@codesourcery.com>
> 
> On 03/14/2013 06:29 PM, Pedro Alves wrote:
> > Looks good to me.
> 
> Thanks for the fast review.  Committed.

A bit too fast though.  You obviously did some sort of global search
and replace.  Unfortunately that also removed the semicolon in some
comments containing C code examples.  Can you put those back?