Bug 14305: RSS message correction follow-up

Bug 14305: RSS message correction follow-up

If a user is not logged in but requests a specific branch,
the RSS feed message fails to mention the branch.

TEST PLAN
---------
1) Apply first patch
2) go to OPAC's opac-main.pl?branch={some branch with specific news}
   -- notice bad RSS message
3) Apply this patch
4) Repeat step 2
   -- notice branch is properly shown.
5) koha qa test tools

Signed-off-by: Mark Tompsett <mtompset@hotmail.com>
Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>