[maint] Michael Chastain as gdb/c++ testsuite maintainer?

[Andrew Cagney]

Not a rumble. I've checked it in.


	Andrew

> Hello,
> 
> (Fernando, proposed this to me a while ago but neither of us got around to following it through)  Fernando's now, unfortunatly, gone on a holiday and I really don't want it haning around for another two weeks.
> 
> 
> testsuite               Fernando Nasser         fnasser@cygnus.com
>   C++ (gdb.c++)        Michael Chastain <...@...>
> 
> Andrew
>