obstack.c defines a variable that isn't used

[Ulrich Drepper]

> 	* malloc/obstack.c (_obstack): Remove unused variable.
> 	It hasn't been used by glibc since at least 1.06.4 (dated 1993).

Not applied.  We export this variable and somebody might use it.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖