Bug 16448: Fix perlcritic errors introduced by 12478

Bug 16448: Fix perlcritic errors introduced by 12478

Bug 12478 introduced two perlcritic errors. This patch fixes them.

To test:
- On master, run:
  $ prove t/00-testcritic.t
=> FAIL: catalogue/search.pl and Koha/Authority.pm fail the critic tests.
- Apply the patch
- Run:
  $ prove t/00-testcritic.t
=> SUCCESS: All happy
- Sign off :-D

Signed-off-by: Hector Castro <hector.hecaxmmx@gmail.com>
All test successful. Needs $ export TEST_QA=1

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Brendan Gallagher <bredan@bywatersolutions.com>