[patch] Fix PR c++/28054

[Lee Millward]

> OK, thanks.  (It's generous of you to give me credit in the ChangeLog
> entry, but don't feel you must, in general, do so if I make a minor
> suggestion.)

I wasn't sure if it was needed or not because of the decl.c changes
which you provided, not me, so I credited you in the ChangeLog as well
just to be safe.

Many thanks for the suggestions/review.

Cheers,
Lee.