[Fedora-packaging] Fix Packaging:ScriptletSnippets#Icon_Cache

[Michael Schwendt]

On Mon, 29 Jul 2013 18:28:12 +0300, Ville Skyttä wrote:

> > https://fedoraproject.org/wiki/Packaging:ScriptletSnippets#Icon_Cache
> > [...]
> > Somebody with write-access to that page, please add the missing " || :" to
> > the end of the /bin/touch line in the %postun scriptlet.
> It's not necessary, so I don't think it should be added.
> > Then the code would be consistent with its explanation on the page.
> I don't see how it is not consistent at the moment, could you elaborate?

No, it's not necessary. I've been confused for a moment by derived
scriptlets (for three icon dirs) which set the exit code more often
than necessary.