[c-nsp] IOS 12.2S Train

[Mark Ivens]

Thus spake Rodney Dunn (rodunn at cisco.com):

> If you see a bug like this in the future make sure the TAC
> engineer works out a migration path for you and confirms it
> will be in that release.

Happily, subsequent to my mail to the list, the TAC engineer has
contacted the relevant developers who have now confirmed that
the fix will be commited to 12.2(18)S11. 

I've emailed Rodney off-list the SR.