Bug 15747: Do not use CGI->param in list context - Auth.pm
Test plan:
Log you in!
Without this patch applied, you will get a warning
"Fetching the value or values of a single named parameter"
With this patch applied, the warning from C4::Auth line 401 should not
appear anymore in the log file.
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Note: no warnings for older CGI versions.