[patch] Correctly handle the case that PATH is not set

[David Zeuthen]

On Thu, 2006-02-02 at 00:25 +0100, Sjoerd Simons wrote:
> Hi,
>   
>   Hald doesn't handle the case that PATH is not set (getenv returns NULL).
>   Fixed in attached patch

Applied, thanks!

Cheers,
David