Bug#594127: Fix for bug number 590028 is incomplete

[Stephen Powell <zlinuxman@wowway.com>]

Quoting from http://www.debian.org/Bugs/Developer#severities
>
> Severity levels
> ...
> serious
>      is a severe violation of Debian policy (roughly, it violates a "must"
>      or "required" directive), or, in the package maintainer's or release
>      manager's opinion, makes the package unsuitable for release.

The previous post shows that a *must* directive is being violated.
Therefore, setting severity to serious.

-- 
  .''`.     Stephen Powell    
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