[PATCH] manual: fix finite description [BZ #22596]

[Joseph Myers]

On Fri, 22 Dec 2017, Aurelien Jarno wrote:

> > -This function returns a nonzero value if @var{x} is finite or a ``not a
> > -number'' value, and zero otherwise.
> > +This function returns a nonzero value if @var{x} is neither infinite nor
> > +a ``not a number'' value, and zero otherwise.
> >  @end deftypefun
> >  
> >  @strong{Portability Note:} The functions listed in this section are BSD
> 
> Is this patch fine, can I commit it?

This is OK.

-- 
Joseph S. Myers
joseph@codesourcery.com