[RFA] Fix gdbserver build failure on arm-android.

[Joel Brobecker]

> > gdb/gdbserver/ChangeLog:
> > 
> >         * configure.ac: Add prfpregset_t BFD_HAVE_SYS_PROCFS_TYPE check.
> >         * configure, config.in: Regenerate.
> >         * gdb_proc_service.h [HAVE_PRFPREGSET_T] (prfpregset_t):
> >         Declare typedef.
> > 
> > OK to commit?
> 
> OK.

Thanks! Pushed to master.

> BTW, do you also trip on this one? :
> 
>  https://sourceware.org/ml/gdb/2015-04/msg00025.html

We don't, at the moment. But we're planning on upgrading to a newer
version in the next few weeks, so we might eventually hit that issue
too. We don't know yet which version we'll target, so I can't say
much more at the moment.

-- 
Joel