[rfa] GDB_GRETSET_TYPE -> GDB_GREGSET_T for solaris 2.5.1

[Michael Snyder]

Andrew Cagney wrote:
> 
> The attatched ok?  I couldn't build on Solaris 2.5.1.
> 
>         Andrew
> 
>     ---------------------------------------------------------------
> Mon May 29 22:47:16 2000  Andrew Cagney  <cagney@b1.cygnus.com>
> 
>         * config/sparc/nm-sun4sol2.h (GDB_GREGSET_T, GDB_FPREGSET_T):
>         Define.
>         * config/sparc/xm-sun4sol2.h: (GDB_GREGSET_TYPE,
>         GDB_FPREGSET_TYPE): Delete.

My fault.  You've done exactly what I had done but forgot to 
check in.  Yes, please commit it.