Replace erroneous calls to $e->retrieve_authority_record($rec_id).

On lines 153 and 175 of OpenILS::Application::Cat::Authority calls
like the above should be $e->retrieve_authority_record_entry($rec_id).
This branch replaces the two misspelled calls with the proper ones.

Signed-off-by: Jason Stephenson <jstephenson@mvlc.org>
Signed-off-by: Mike Rylander <mrylander@gmail.com>