ObjC/ObjC++ patch: remove TODO for dotsyntax with super in categories, and add testcases

[Mike Stump]

On Nov 29, 2010, at 10:41 AM, Nicola Pero wrote:
> This patch removes a TODO comment in objc-act.c about dotsyntax with super
> in categories.  It turns out the existing code works fine; testcases are
> included with this patch.
> 
> Ok to commit ?

Ok.

Please, no extra blank lines at the ends of test cases.