Bug 12198: (follow-up) fix warning when opening guarantor search form

To test:

[1] Verify that act of running a guarantor search does not result in
    the following warning message in the Apache log:

"guarantor_search.pl: Use of uninitialized value $member in string ne
 at guarantor_search.pl line 63"

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>

diff --git a/members/guarantor_search.pl b/members/guarantor_search.pl
index 6211cee..e71374e 100755 (executable)
--- a/members/guarantor_search.pl
+++ b/members/guarantor_search.pl
@@ -42,7 +42,7 @@ my ( $template, $loggedinuser, $cookie );
     }
 );
 
-my $member        = $input->param('member');
+my $member        = $input->param('member') // '';
 my $orderby       = $input->param('orderby');
 my $category_type = $input->param('category_type');