[patch] fix pr reference syntax in gdb.c++/method.exp

[Michael Snyder]

Michael Elizabeth Chastain wrote:
> 
> Michael Snyder writes:
> > I think the custom is to mark the second type as "[RFA]".
> 
> Okay, I'll try that.  It feels a little funny because I'm not actually
> asking for approval, I'm asking for a veto (if any).  That is, if no
> response comes in, then I commit such a patch.

It's just syntax, Michael.   ;-)
I don't think we need to introduce a new RFV flag...