Clean up powerpc fegetround / __fegetround inlines

[Adhemerval Zanella]

On 30-12-2014 18:01, Joseph Myers wrote:
> On Tue, 30 Dec 2014, Carlos O'Donell wrote:
>
>> Is there any reason you're not using [PATCH] in the prefix?
> I don't find [PATCH] markers useful (indeed, I find them to have negative 
> utility, just serving to hide and distract from substantive information); 
> I think patches can be assumed as the default.
>
>> Is this a WIP or RFC?
> It's a patch proposed for inclusion that I hope Adhemerval might review / 
> comment on.
>
I will review/check it later today, thanks.