Bug 14641: [SIGNED-OFF] Warns in subscription-add.pl

Removes warn using Jonathan's suggestion!

To test:
1) Reproduce warns by clicking New Subscription
2) Apply patch
3) Click New Subscription again
4) Confirm warns are gone

Signed-off-by: Magnus Enger <magnus@libriotech.no>
Patch removes the warn that come when clicking "New subscription"

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Brendan A Gallagher <brendan@bywatersolutions.com>

diff --git a/serials/subscription-add.pl b/serials/subscription-add.pl
index 7525b59..31a1e35 100755 (executable)
--- a/serials/subscription-add.pl
+++ b/serials/subscription-add.pl
@@ -236,6 +236,7 @@ if ($op eq 'addsubscription') {
 
 sub get_letter_loop {
     my ($selected_lettercode) = @_;
+    $selected_lettercode //= '';
     my $letters = GetLetters({ module => 'serial' });
     return [
         map {