utmp fix for mips64 uClibc systems

[Rich Felker]

On Sun, Oct 21, 2012 at 10:44:59PM -0400, Mike Frysinger wrote:
> On Monday 24 September 2012 15:13:49 Cathey, Jim wrote:
> > This is a uLibc fault.  A common idiom,
> > from way back, is:
> > 
> > 	close(creat(...));
> > 
> > Close is supposed to be able to survive being
> > given a negative number.
> 
> yes, if close(-1) is crashing, fix uClibc.  bloating busybox to work around 
> buggy C lib like this is not good.

_How_ was this happening? I'd really be interested in knowing how you
could mess up close() that bad...

Rich