PATCH: Adhere to section 17.4.1.2 clause 5 of ISO 14882:1998

[Benjamin Kosnik]

Again, sorry about the lapse on patch review.

It's my position that this patch should go in, as is, due to Nathan's
clarification of Sun's argument and Gaby's initial position. I
believe the standard, though perhaps flawed, is quite clear.
Regardless of the flaws, lets implement what is says.

I believe consensus on this issue is that Loren's patch stands, as is,
and should be checked in. Gaby, unless you have some new insight (and
share it with us :] ) I move that Loren checks this patch in tonight.

-benjamin