[klibc] upgrade dash to newer version?

[Maciej Żenczykowski]

We still appear to be missing the following dash commit:

http://git.kernel.org/?p=utils/dash/dash.git;a=commitdiff;h=d0a3b102c672bd07f190eacb7f95643a89d27c9a

commit d0a3b102c672bd07f190eacb7f95643a89d27c9a
Author: Jim Meyering <meyering at redhat.com>
Date:   Fri Jul 8 16:12:20 2011 +0800

    [MEMALLOC] Avoid gcc warning: variable 'oldstackp' set but not used

    * src/memalloc.c (growstackblock): Remove declaration and set of
    set-but-not-used variable.  Also remove a stray space-before-TAB.

    Signed-off-by: Jim Meyering <meyering at redhat.com>
    Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>

---

perhaps we should upgrade to dash 0.5.7 (or even top of tree?)

- Maciej