fix cups printcap reload where no printers are present

[David Disseldorp]

Hi,

On Fri, 31 Dec 2010 03:05:37 +1100
David Disseldorp <ddiss at suse.de> wrote:

> These changes are based on top of bug 7836 commits. Reviews, comments
> and feedback invited.

Anyone get a chance to look at these changes?

I've opened bug 7915 to track this issue:
https://bugzilla.samba.org/show_bug.cgi?id=7915

Cheers, David