logwatch: patch for zz-disk_space

[Stefan Hoelldampf]

Dario Lesca wrote:
>  
> This patch for logwatch is usefull when there are device whit long name
> into the first column:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=138285 seems to
describe the same problem.

Regards,
	Stefan