[PATCH] Fix coredump-filter.exp by correctly unsetting array

[Yao Qi]

Sergio Durigan Junior <sergiodj@redhat.com> writes:

> It seems it is not possible to "clear" the variable using "" and then
> use as an array.  I think the best way would be to call 'unset
> -nocomplain' in this case.  The following patch does this.  With it
> applied, the test fully passes on Fedora 20 x86_64 native.
>
> WDYT?

Your patch is fine by me.

-- 
Yao (齐尧)